{"title":"ARP Bolts","description":"\u003cp data-pm-slice=\"1 1 []\"\u003eARP (Automotive Racing Products), founded in 1968, is a top American manufacturer of high-performance fasteners for motorsport and automotive applications. Renowned for quality and reliability, they produce bolts, studs, and nuts for engines, drivetrains, and chassis components. Trusted by racing teams and enthusiasts, ARP's rigorously tested fasteners are known for their durability and precision, setting a benchmark in the automotive industry.\u003c\/p\u003e","products":[{"product_id":"arp-98-dodge-cummins-5-9l-6-7l-24v-ca625-head-stud-kit","title":"ARP 98+ Dodge Cummins 5.9L\/6.7L 24V CA625+ Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250066495,"sku":"ARP247-4204","price":1704.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/b42edd91715c6e7052a8ba7f1e738b8e.jpg?v=1611626957"},{"product_id":"arp-11-15-ford-6-7l-power-stroke-diesel-head-stud-kit","title":"ARP 11-15 Ford 6.7L Power Stroke Diesel Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250099263,"sku":"ARP250-4301","price":1037.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/6031d2b2a90c403678722c3955568ac5.jpg?v=1611626959"},{"product_id":"arp-04-gm-ca625-12pt-head-stud-kit","title":"ARP 04+ GM CA625+ 12pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250132031,"sku":"ARP234-4314","price":1033.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/c7cde02c0c20c9a325b30ec3d2afbd5f.jpg?v=1611626961"},{"product_id":"arp-17-19-6-6l-l5p-gm-duramax-diesel-arp2000-head-stud-kit","title":"ARP 17-19 6.6L (L5P) GM Duramax Diesel ARP2000 Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250164799,"sku":"ARP230-4301","price":926.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5b4aa66e8d97fcfb9eb6f597063826a8.jpg?v=1611626963"},{"product_id":"arp-nissan-gtr-rb26dett-custom-age-625-head-stud-kit","title":"ARP Nissan GTR RB26DETT Custom Age 625+ Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250197567,"sku":"ARP202-4208","price":925.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/3f78c0729ec201b9cedf9c56e3b9df2b.jpg?v=1611626965"},{"product_id":"arp-93-02-ford-7-3l-power-stroke-diesel-head-stud-kit","title":"ARP 93-02 Ford 7.3L Power Stroke Diesel Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250230335,"sku":"ARP250-4201","price":892.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/09f37d337c17170a16c64fbf3f388e6a.jpg?v=1611626967"},{"product_id":"arp-ford-6-4l-power-stroke-diesel-head-stud-kit","title":"ARP Ford 6.4L Power Stroke Diesel Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250295871,"sku":"ARP250-4203","price":781.43,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/3b08d211cec500c392c459861d0ef6bf.jpg?v=1611626969"},{"product_id":"arp-sb-chevy-gen-ii-lsx-12pt-head-stud-kit","title":"ARP SB Chevy GEN II LSX 12pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250328639,"sku":"ARP234-4319","price":716.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5eeae63af459f43098a925b33a28252e.jpg?v=1611626971"},{"product_id":"arp-subaru-ej-series-dohc-custom-age-head-stud-kit","title":"ARP Subaru EJ Series DOHC Custom Age Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250361407,"sku":"ARP260-4704","price":712.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/85d7bdd522822bc1c8a7a68cc3df6c3a.jpg?v=1611626973"},{"product_id":"arp-ford-6-0l-power-stroke-diesel-head-stud-kit","title":"ARP Ford 6.0L Power Stroke Diesel Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250459711,"sku":"ARP250-4202","price":679.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/51b16ba4fcf37d648bcc201b73fef7b9.jpg?v=1611626975"},{"product_id":"arp-94-98-dodge-cummins-5-9l-12v-head-stud-kit","title":"ARP 94-98 Dodge Cummins 5.9L 12V Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250590783,"sku":"ARP247-4203","price":664.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/3bcb7f9ecd4ea00023bb77814fb4b3c8.jpg?v=1611626977"},{"product_id":"arp-vw-golf-jetta-1-8l-2-0l-8v-undercut-head-stud-kit","title":"ARP VW Golf\/Jetta 1.8L\/2.0L 8V Undercut Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250623551,"sku":"ARP204-4701","price":154.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/15d4a5b953435a039b2672386138cf9c.jpg?v=1611626977"},{"product_id":"arp-98-dodge-cummins-5-9l-6-7l-24v-head-stud-kit","title":"ARP 98+ Dodge Cummins 5.9L\/6.7L 24V Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250820159,"sku":"ARP247-4202","price":654.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/20c0cbccfb5b94d19c7370fd9e91a64d.jpg?v=1611626979"},{"product_id":"arp-chevy-v6-2-8l-m11-12pt-head-stud-kit","title":"ARP Chevy V6 2.8L M11 12pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345250852927,"sku":"ARP233-4303","price":151.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/41802d0970db98805e2345b36b0577fe.jpg?v=1611626979"},{"product_id":"arp-dodge-cummins-5-9l-24v-same-length-head-stud-kit","title":"ARP Dodge Cummins 5.9L 24V Same Length Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251115071,"sku":"ARP247-4208","price":635.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5b4aa66e8d97fcfb9eb6f597063826a8_ab3f0d9d-5ad3-4a2e-84a5-48d220fcdc52.jpg?v=1611626981"},{"product_id":"arp-ford-289-302-7-16-inch-hex-head-stud-kit","title":"ARP Ford 289-302 7\/16 inch Hex Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251082303,"sku":"ARP154-4001","price":151.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/77ec4e8dedbca32e8fc9da325f3b254a.jpg?v=1611626981"},{"product_id":"arp-honda-civic-1-6l-d16y-head-stud-kit","title":"ARP Honda Civic 1.6L D16Y Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251147839,"sku":"ARP208-4305","price":149.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/f44dbe1248a64e2687a3197e6c08f3d0.jpg?v=1611626983"},{"product_id":"arp-big-block-chevy-8-1l-496cid-head-stud-kit","title":"ARP Big Block Chevy 8.1L (496CID) Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251213375,"sku":"ARP235-4203","price":624.41,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/8b0cdfbec9b7f82c34ba11aa2a64bf83.jpg?v=1611626983"},{"product_id":"arp-nissan-ca18de-det-head-stud-kit","title":"ARP Nissan CA18DE\/DET Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251377215,"sku":"ARP202-4302","price":148.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/9c98249612c16e1b9d6b08d613bedeb2.jpg?v=1611626985"},{"product_id":"arp-ford-modular-4-6l-2-4-valve-12-pt-head-stud-kit","title":"ARP Ford Modular 4.6L 2\u00264 Valve 12 pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251409983,"sku":"ARP256-4201","price":574.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/579f19c4635b2145fcd0a58f7916aea7.jpg?v=1611626985"},{"product_id":"arp-ford-modular-4-6-5-4l-3-valve-12-pt-head-stud-kit","title":"ARP Ford Modular 4.6\/5.4L 3 Valve 12 pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251573823,"sku":"ARP256-4202","price":574.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5571dc714c96115144cfde64afd22b52.jpg?v=1611626987"},{"product_id":"arp-98-02-mazda-2-0l-fs-de-head-stud-kit","title":"ARP 98-02 Mazda 2.0L FS-DE Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251770431,"sku":"ARP218-4703","price":148.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/ee39a80cb905f20828c3456d0874dfda.jpg?v=1611626987"},{"product_id":"arp-2004-and-later-chevy-ls-head-stud-kit","title":"ARP 2004 and Later Chevy LS Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251803199,"sku":"ARP234-4345","price":562.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5726d5ac4c66e60f7a8fb71de048e0cc.jpg?v=1611626989"},{"product_id":"arp-saturn-1-9l-2-bolt-main-w-1-2-inch-straps-main-stud-kit","title":"ARP Saturn 1.9L 2-Bolt Main w\/ 1\/2 inch straps Main Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251901503,"sku":"ARP165-5401","price":137.72,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/af2037a26039a7fd0671ca766bf2021a.jpg?v=1611626989"},{"product_id":"arp-chevrolet-lsa-12pt-head-stud-kit","title":"ARP Chevrolet LSA 12pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345251934271,"sku":"ARP234-4346","price":562.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/3ae7e630822e353692b91fc48c1950f9.jpg?v=1611626991"},{"product_id":"arp-gt6-tr6-12pt-head-stud-kit","title":"ARP GT6\/TR6 12pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252098111,"sku":"ARP206-4205","price":136.51,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5b17a5975d11663063bc0c044dadd534.jpg?v=1611626992"},{"product_id":"arp-sb-chevy-ls-03-and-earlier-head-stud-kit","title":"ARP SB Chevy LS 03 and Earlier Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252294719,"sku":"ARP234-4344","price":562.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/cfd57ff9974561e4bd7be4c317f67980.jpg?v=1611626993"},{"product_id":"arp-chevy-v6-2-8l-60-degree-m11-head-stud-kit","title":"ARP Chevy V6 2.8L 60 degree M11 Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252327487,"sku":"ARP233-4003","price":132.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/1317882ac4a87996d1c0555086718100.jpg?v=1611626995"},{"product_id":"arp-ford-coyote-5-0l-head-stud-kit","title":"ARP Ford Coyote 5.0L Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252360255,"sku":"ARP256-4702","price":558.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/f9746714f1861cb5ec2dc5003010e248.jpg?v=1611626996"},{"product_id":"arp-bmc-b-series-head-stud-kit","title":"ARP BMC B-Series Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252425791,"sku":"ARP206-4202","price":125.52,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/b248eb3d839b7114b082f1a33abf5ae0.jpg?v=1611626998"},{"product_id":"arp-ford-modular-4-6l-5-4l-2v-4v-arp2000-hex-head-stud-kit","title":"ARP Ford Modular 4.6L\/5.4L 2V\/4V ARP2000 Hex Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252458559,"sku":"ARP256-4001","price":545.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/872f2a478daf8200cd9174ad33798ab2.jpg?v=1611626999"},{"product_id":"arp-bmc-a-series-11-studs-head-stud-kit","title":"ARP BMC A-Series 11 Studs Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252491327,"sku":"ARP206-4204","price":121.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/841e4de7640eb1f9698d493b3b386dd8.jpg?v=1611627000"},{"product_id":"arp-sb-chevy-lt1-6-2l-w-8mm-corner-head-stud-kit","title":"ARP SB Chevy LT1 6.2L w\/8mm Corner Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252524095,"sku":"ARP234-4343","price":542.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/3c62809fa216330ab0c820990a1764c7.jpg?v=1611627001"},{"product_id":"arp-86-87-buick-head-stud-kit","title":"ARP 86-87 Buick Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252556863,"sku":"ARP123-4003","price":120.48,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/b58300069d9a0c3870bf1359e51f354f.jpg?v=1611627002"},{"product_id":"arp-96-03-dodge-viper-gen-ii-head-stud-kit","title":"ARP 96-03 Dodge Viper GEN II Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252589631,"sku":"ARP247-4201","price":530.52,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/7524853b03b9288c41aa69bc3c86a4c7.jpg?v=1611627003"},{"product_id":"arp-99-pontiac-supercharged-3800-l67-hex-head-stud-kit","title":"ARP 99+ Pontiac Supercharged 3800 L67 Hex Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252655167,"sku":"ARP193-4001","price":115.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/e71232b5633b725c034a85f5857c5eb4.jpg?v=1611627004"},{"product_id":"arp-vw-audi-2-7l-bi-turbo-v6-head-stud-kit","title":"ARP VW\/Audi 2.7L Bi-Turbo V6 Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252687935,"sku":"ARP204-4105","price":503.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/9d34fa202095e3524d20bd0bacd46f27.jpg?v=1611627004"},{"product_id":"arp-bmc-a-series-9-studs-head-stud-kit","title":"ARP BMC A-Series 9 Studs Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252720703,"sku":"ARP206-4201","price":114.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/e5094d9531fa0742e1c7fffd6db56be2.jpg?v=1611627006"},{"product_id":"arp-chrysler-5-7l-6-1l-hemi-head-stud-kit","title":"ARP Chrysler 5.7L\/6.1L Hemi Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252753471,"sku":"ARP244-4300","price":493.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/f83f0c3886058ace1f2b603a25e8ce3c.jpg?v=1611627006"},{"product_id":"arp-buick-stage-86-87-gn-and-t-type-hex-head-bolt-kit","title":"ARP Buick Stage 86-87 GN and T-Type Hex Head Bolt Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252786239,"sku":"ARP123-3603","price":52.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/df803ebb68716f1d29ee24aa3f6d1fdf.jpg?v=1611627008"},{"product_id":"arp-small-block-chevy-lt1-6-2l-head-stud-kit","title":"ARP Small Block Chevy LT1 6.2L Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252819007,"sku":"ARP234-4342","price":482.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/db87c3f2d897cac4a70d5c998d55f34a.jpg?v=1611627008"},{"product_id":"arp-94-mitsubishi-4g63-m11-custom-aged-625-head-stud-kit","title":"ARP 94+ Mitsubishi 4G63 M11 Custom Aged 625+ Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345252982847,"sku":"ARP207-4302","price":460.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/08c3d404fcd342bbdab6b8e83131242c.jpg?v=1611627010"},{"product_id":"arp-toyota-3sgte-ca625-head-stud-kit","title":"ARP Toyota 3SGTE CA625+ Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253048383,"sku":"ARP203-4207","price":449.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/77801e75946d083585242863939043a1.jpg?v=1611627013"},{"product_id":"arp-ford-modular-4-6l-2v-4v-12-pt-head-stud-kit","title":"ARP Ford Modular 4.6L 2V\/4V 12 pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253081151,"sku":"ARP156-4301","price":431.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/73542449f59a50cebc8249a26921c267.jpg?v=1611627015"},{"product_id":"arp-13-ford-coyote-5-0l-v8-head-stud-kit","title":"ARP 13 Ford Coyote 5.0L V8 Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253113919,"sku":"ARP256-4301","price":418.28,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/72a424ff424055a276bff6ae88b191b6.jpg?v=1611627017"},{"product_id":"arp-bmw-s65-4-0l-v8-head-stud-kit","title":"ARP BMW S65 4.0L V8 Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253146687,"sku":"ARP201-4307","price":395.53,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/6a736954d27085fa0d78af8566f1dc5d.jpg?v=1611627019"},{"product_id":"arp-nissan-vg30de-dett-3-0l-v6-head-stud-kit","title":"ARP Nissan VG30DE\/DETT 3.0L V6 Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253343295,"sku":"ARP202-4308","price":379.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/8afb03ce73d26d647e028e878584361b.jpg?v=1611627020"},{"product_id":"arp-nissan-yd25-diesel-head-stud-kit","title":"ARP Nissan YD25 Diesel Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253376063,"sku":"ARP202-4306","price":350.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/9044062756cee72bda9e777a3a820419.jpg?v=1611627022"},{"product_id":"arp-ford-ecoboost-3-5l-v6-12pt-head-stud-kit","title":"ARP Ford Ecoboost 3.5L V6 12Pt Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253441599,"sku":"ARP153-4303","price":341.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/4091debdac64100157d366a327369b9a.jpg?v=1611627024"},{"product_id":"arp-vw-1-8l-turbo-20v-m10-with-tool-head-stud-kit","title":"ARP VW 1.8L Turbo 20V M10 (with tool) Head Stud Kit","description":"\u003cp\u003eIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated, there is not a better stud set upon the market today.\u003c\/p\u003e\n\u003cp\u003eFor openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed verticallyinto special racks and precisely heat-treated to 190,000 psi forthe 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionallystraight part. It is important to note that lesser quality studs are not even centerless ground the material is thread rolled inbar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder headsliterally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 2000% (that is twenty times) better fatigue strength than those studs that are threaded prior to heat-treat (a very commonindustry practice). It costs a lot more to do it this way, because it is tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing! Premium quality 8740 and ARP2000 head stud kits are availablefor most domestic and import applications. You won't find abetter quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality. Clearly, they are the best on the market today, and the favorite of leading professional engine builders in all forms of racing.\u003c\/p\u003e","brand":"ARP Bolts","offers":[{"title":"Default Title","offer_id":33345253769279,"sku":"ARP204-4104","price":337.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/537d14585122d2c7b590952b4342e426.jpg?v=1611627027"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/collections\/arplogo.jpg?v=1723660148","url":"https:\/\/www.kuremotorsport.com\/collections\/arp-bolts.oembed?page=4","provider":"Kuremotorsports","version":"1.0","type":"link"}