{"title":"Nissan Silvia S14 - Cylinder Head Related","description":"","products":[{"product_id":"tomei-adjustable-cam-gear-intake-exhaust-set-for-nissan-silvia-240sx-sr20det","title":"Tomei Adjustable Cam Gear Intake \/ Exhaust Set For Nissan SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Adjustable Cam Gear for Nissan SR20DET Engine.\u003c\/p\u003e\n\u003cp\u003eNote: The listing is for 1 set of cam gear for intake and exhaust side.\u003c\/p\u003e\n\u003cp\u003eType: Sliding\u003cbr\u003e\nInner Plate Material: Duralumin\u003cbr\u003e\nGear Material: Steel\u003cbr\u003e\nWeight: 360g each\u003c\/p\u003e\n\u003cp\u003e1. Super Lightweight Duralumin - Duralumin was chosen for its lightweight properties and extra strength and durability. Both the outer and inner part is made from Duralumin to ensure that the product is the strongest available on the market.\u003cbr\u003e\n2. Precision and Perfection - The pulley and inner plate are made from billet aluminum. The pulley gear part has been designed and manufactured from precision methods to guarantee reliability with securing the drive from the timing belt.\u003cbr\u003e\n3. Application Specific Design - The Intake and Exhaust cam pulley have been designed and manufactured individually so as when the pulley comes to the top it is easier to adjust the timing from TDC. (model specific)\u003cbr\u003e\n4. Ultra Durable - The hard anodized surface coating greatly increases the durability of the pulley. The added strength will allow the pulley to guarantee reliability for drag racing cars that are running monster power engines that exceed 1,000 HP and used with engine speeds in excess of 10,000 RPM.\u003cbr\u003e\n5. Performance Use and Showroom Finish - The Duralumin material with the hard anodized surface treatment gives it better operational reliability and will enhance the look of your engine bay for that showroom finish.\u003cbr\u003e\n6. Simple Scales for Adjustments - A simple scale was designed to help aid tuners anywhere are able to setup the settings on the scale to aid with easy setup process.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":15967691964479,"sku":"TM-TA302A-NS08A-2","price":216.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/1ba3da17b0e583da1b2be075150d8c6e.jpg?v=1675366128"},{"product_id":"tomei-adjustable-cam-gear-for-nissan-silvia-240sx-sr20det-1-pc","title":"Tomei Adjustable Cam Gear For Nissan SR20DET - 1pc","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Adjustable Cam Gear for Nissan SR20DET Engine.\u003c\/p\u003e\n\u003cp\u003eNote: The listing is for 1 cam gear for intake or exhaust side.\u003c\/p\u003e\n\u003cp\u003eType: Sliding\u003cbr\u003e\nInner Plate Material: Duralumin\u003cbr\u003e\nGear Material: Steel\u003cbr\u003e\nWeight: 360g\u003c\/p\u003e\n\u003cp\u003e1. Super Lightweight Duralumin - Duralumin was chosen for its lightweight properties and extra strength and durability. Both the outer and inner part is made from Duralumin to ensure that the product is the strongest available on the market.\u003cbr\u003e\n2. Precision and Perfection - The pulley and inner plate are made from billet aluminum. The pulley gear part has been designed and manufactured from precision methods to guarantee reliability with securing the drive from the timing belt.\u003cbr\u003e\n3. Application Specific Design - The Intake and Exhaust cam pulley have been designed and manufactured individually so as when the pulley comes to the top it is easier to adjust the timing from TDC. (model specific)\u003cbr\u003e\n4. Ultra Durable - The hard anodized surface coating greatly increases the durability of the pulley. The added strength will allow the pulley to guarantee reliability for drag racing cars that are running monster power engines that exceed 1,000 HP and used with engine speeds in excess of 10,000 RPM.\u003cbr\u003e\n5. Performance Use and Showroom Finish - The Duralumin material with the hard anodized surface treatment gives it better operational reliability and will enhance the look of your engine bay for that showroom finish.\u003cbr\u003e\n6. Simple Scales for Adjustments - A simple scale was designed to help aid tuners anywhere are able to setup the settings on the scale to aid with easy setup process.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":15967693733951,"sku":"TM-TA302A-NS08A","price":108.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/1ba3da17b0e583da1b2be075150d8c6e_3edbcc5a-f4d7-47af-b346-ee362358fa09.jpg?v=1675365287"},{"product_id":"tomei-valve-guide-set-for-nissan-silvia-sr20det-s14-s15","title":"Tomei Valve Guide Set For Nissan Silvia S14 S15 SR20DET Engines","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Phosphor Bronze Valve Guides Set for Nissan S14 S15 SR20DET\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cul\u003e\n\t\u003cli\u003eSet for intake and exhaust sides (16 pcs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe chose to use Phosphor Bronze (Cn-Sn-P alloy) to make our Valve Guides, for its highly tensile and superior heat transferring ability, which is vital in high power and high RPM outputting engines. Since race engines these days require more power at higher RPM use , these engines now experience more extreme heat conditions. These conditions will increase the deterioration rate on these valve train related components. The Phosphor Bronze material has exceptionally lower friction and the best possible clearances can be maintained, which will reduce the stress on the valve train assembly, prevent seizures and cracking under high stress loads.\u003c\/p\u003e\n\u003cp\u003eStill since the product will be used for extreme conditions, it will still require additional regular maintenance and periodical checks. The product can wear out faster under certain conditions. Some examples of the abnormal conditions are as follows.\u003c\/p\u003e\n\u003cp\u003e*The rocker arm type assemblies will apply more lateral pressure, which will increase the wear rate. If the stem wall of the valve is rough, it will also contribute to the increased wear rate.\u003c\/p\u003e\n\u003cp\u003e*Using high lift, aggressive camshafts will also increase the wear rate.\u003c\/p\u003e\n\u003cp\u003e*Excessive buildup of carbon will also hinder performance and increase wear rate. When there's a small opening at the end, it will increase the carbon buildup rate as a funnel effect.\u003c\/p\u003e\n\u003cp\u003e*The results from Valve Spring surging will cause the Valve to move on an angle. This will cause both ends to open up and create deformation. Then carbon can enter the valve guides more which will increase the wear rate.\u003c\/p\u003e\n\u003cp\u003e*A defective seat cut. When the seat cut's centerline across the main 45 degree face is offline from the valve stems centerline by more than 0.01mm, this can cause increased abnormal wear rate.\u003c\/p\u003e\n\u003cp\u003e*If the clearance is not within the correct 0.03-0.04mm range. The Valve will rub against the guides inner wall, this degree angle in relation to the seat cut will cause it to shift by 0.01mm more than the clearance values. The guide will take the lateral pressure point and open up the opening. The buildup of carbon will increase in the newly formed gaps.\u003c\/p\u003e\n\u003cp\u003e*A worn out used Valve. It's possible to cut down by using the part that has not worn out the stem when changing to a high lift cams. The guides can wear out when the inappropriate clearances are made. (About 0.01mm out of clearance).\u003c\/p\u003e\n\u003cp\u003e*The Valve design is defective. The difference from the dilatability and the guide being worn out abnormally is when the valve that is made with different alloys, will contribute with a faster deterioration.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":30079587614783,"sku":"TM-TA309A-NS08B","price":288.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/291672a959445979480ca6820265ea3c_208da78a-a4c3-4556-b9ee-6e044f9491dc.jpg?v=1570537998"},{"product_id":"tomei-beryllium-ring-set-for-nissan-silvia-180sx-sr20det-s13-s14-s15","title":"Tomei Beryllium Copper Valve Seat Ring Set For Nissan Silvia SR20DET Engines","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Beryllium Copper Alloy (BeCu) Valve Seat Ring For Nissan Silvia S13 S14 S15 S180SX SR20DET Engines\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cp\u003eSeat Ring Outer (mm): Intake (35.6) \/ Exhaust (31.6)\u003cbr\u003e\nTolerance (mm): Intake (+0.03) - (0.00) \/ Exhaust (+0.02) - (-0.01)\u003cbr\u003e\nHead Seat Recess (mm): Intake (35.5) \/ Exhaust (31.5)\u003cbr\u003e\nHead Seat Recess Tolerance (mm): Intake (+0.02) - (0.00) \/ Exhaust (0.00) - (-0.01)\u003cbr\u003e\nSeat Ring Height (mm): Intake (7.3) \/ Exhaust (7.3)\u003c\/p\u003e\n\u003cp\u003eThe function of which valve sheet is asked, is maintaining air tightness with a valve, and generally wear resistance is required. However, with the engine used by high rotation and high load, the cooling performance of a valve sheet becomes very important further, and it is greatly concerned with an engine output. When engine is high rotation and high load, it is impossible to achieve high output from the engine if cooling performance of the cylinder is low and knock limit does not become high, since the temperature of the circumference of a cylinder head rises unusually. In racing engine that temperature needed to be carefully controlled, how much you can cool the circumference of the sheet ring is the important issue, and the technique of using high heat conduction metal, such as copper for a sheet ring, has been taken. Copper has one of the highest thermal conductivities through all metal that enables receiving heat from cylinder and cool it down quickly by transmit the heat to the cylinder head. (Degree of heat conduction: 1.silver, 2.copper, 3.gold, 4.aluminium, ... 10. cast iron - STD). We select beryllium copper alloy (BeCu) that can secure mechanical intensity most in the copper alloy, which has ideal fatigue resistance and wear resistance while securing a preeminent cylinder cooling performance.\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003e1. This product is made from beryllium copper alloy (BeCu). The Beryllium sintered alloy has different thermal expansion characteristics so the cylinder head machine process will be different. Please be sure to match the reference value. Please follow the official service manual for reference to the other components assembly process.\u003c\/p\u003e\n\u003cp\u003e2. This product is 0.5mm larger than stock. The outer surface is already polished and is ready for installation. Please do not polish, machine, or modify the outer surface.\u003c\/p\u003e\n\u003cp\u003e3. Please do not use leaded gasoline fuel with this product as it will cause accelerated abnormal wear.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":30081809219647,"sku":"TM-TA310A-NS08A","price":720.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/a1f504d58ab9f44cca83ab0f14b55c52_fe100ef0-606c-4cf5-a34a-c3f30c0480d9.jpg?v=1675368251"},{"product_id":"tomei-valve-spring-sheet-0-2mm-set-8pcs-for-nissan-sr20det-ta305a-ns08a","title":"Tomei Valve Spring Seat Set 0.2mm For Nissan SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Valve Spring Seat for Nissan SR20DET Engines\u003c\/p\u003e\n\u003cp\u003eThickness: 0.2mm\u003c\/p\u003e\n\u003cp\u003eIncludes: 8 pcs sheet\u003c\/p\u003e\n\u003cp\u003eAPPLICATION \u0026amp; PURPOSE:\u003c\/p\u003e\n\u003cp\u003eWhen installing aftermarket valve springs in a head assembly, the amount of load applied to each spring need to be adjusted until everything is in uniform specification.\u003cbr\u003e\nThis is a standard procedure which all race engines go through in order to be able to raise the engine RPM without any glitches or hesitation.\u003cbr\u003e\nThe standard method involved when putting together the valve assembly is to fully balance all the added components to tighter clearances than the manufacturer specifications.\u003cbr\u003e\nThis method called “blueprinting” can be time consuming and a very costly service performed by an experienced engine builder.\u003cbr\u003e\nBy utilizing the various thickness of the spring sheets to adjust to each and different spring rate load, the same objective can be satisfied with fraction of the cost.\u003cbr\u003e\nAll of Tomei Powered’s complete race engines are fitted and tuned with these valve spring sheets to ensure uniform specification for all areas that are necessary.\u003c\/p\u003e\n\u003cp\u003eEFFECTS WITHOUT SPRING LOAD ADJUSTMENT:\u003c\/p\u003e\n\u003cp\u003eInitially the valve springs begin to surge, becoming very sticky under loads. This leads to ample power loss but in worst case scenarios, the cotter pin may disengage from its assembly applying major damage to the engine.\u003c\/p\u003e\n\u003cp\u003eEXAMPLE:\u003c\/p\u003e\n\u003cp\u003eWhen installing Tomei Type A valve springs in an RB26 and performing a three angle valve job, the stock spring load spec of 24kg is decreased to less than 20kg. By installing the Tomei Valve Spring Seats, the spring load can be brought back to tolerance to the 24kg range, enabling the engine to rev freely once again.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":31148377145407,"sku":"TM-TA305A-NS08A","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/9a49feaaf0876a32b61531660a1d516a_6168174c-4f60-4696-af26-b17635685b6b.jpg?v=1573087156"},{"product_id":"tomei-valve-spring-sheet-0-3mm-set-8pcs-for-nissan-sr20det-ta305a-ns08b","title":"Tomei Valve Spring Seat Set 0.3mm For Nissan SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Valve Spring Seat for Nissan SR20DET Engines\u003c\/p\u003e\n\u003cp\u003eThickness: 0.3mm\u003c\/p\u003e\n\u003cp\u003eIncludes: 8 pcs sheet\u003c\/p\u003e\n\u003cp\u003eAPPLICATION \u0026amp; PURPOSE:\u003c\/p\u003e\n\u003cp\u003eWhen installing aftermarket valve springs in a head assembly, the amount of load applied to each spring need to be adjusted until everything is in uniform specification.\u003cbr\u003e\nThis is a standard procedure which all race engines go through in order to be able to raise the engine RPM without any glitches or hesitation.\u003cbr\u003e\nThe standard method involved when putting together the valve assembly is to fully balance all the added components to tighter clearances than the manufacturer specifications.\u003cbr\u003e\nThis method called “blueprinting” can be time consuming and a very costly service performed by an experienced engine builder.\u003cbr\u003e\nBy utilizing the various thickness of the spring sheets to adjust to each and different spring rate load, the same objective can be satisfied with fraction of the cost.\u003cbr\u003e\nAll of Tomei Powered’s complete race engines are fitted and tuned with these valve spring sheets to ensure uniform specification for all areas that are necessary.\u003c\/p\u003e\n\u003cp\u003eEFFECTS WITHOUT SPRING LOAD ADJUSTMENT:\u003c\/p\u003e\n\u003cp\u003eInitially the valve springs begin to surge, becoming very sticky under loads. This leads to ample power loss but in worst case scenarios, the cotter pin may disengage from its assembly applying major damage to the engine.\u003c\/p\u003e\n\u003cp\u003eEXAMPLE:\u003c\/p\u003e\n\u003cp\u003eWhen installing Tomei Type A valve springs in an RB26 and performing a three angle valve job, the stock spring load spec of 24kg is decreased to less than 20kg. By installing the Tomei Valve Spring Seats, the spring load can be brought back to tolerance to the 24kg range, enabling the engine to rev freely once again.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":31148377243711,"sku":"TM-TA305A-NS08B","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/9a49feaaf0876a32b61531660a1d516a_9e471446-f4b8-48e3-a41c-1709fba36706.jpg?v=1573087159"},{"product_id":"tomei-valve-spring-set-for-nissan-sr20det-ta304a-ns08a","title":"Tomei Valve Spring Set For Nissan SR20DET Engines","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei High Strength Valve Spring with intake side retainers set for Nissan SR20DET\u003c\/p\u003e\n\u003cp\u003eSpec:\u003cbr\u003e\nCompatible Lift:  ~10.25mm\u003cbr\u003e\nAlignment: 4.00\u003cbr\u003e\nFree Length: 48.0mm\u003cbr\u003e\nSet Length: 40.0mm\u003cbr\u003e\nLift Length: 27.5mm\u003cbr\u003e\nCompress Length: 26.5mm\u003cbr\u003e\nSet Load: Intake 25.6+\/-7% kgf\u003cbr\u003e\nLift Load: Intake 81.6+\/-7% kgf\u003cbr\u003e\nMaterial: SWOSC-V\u003cbr\u003e\nProcess: Nitride\u003cbr\u003e\nColor ID: Red\u003c\/p\u003e\n\u003cp\u003eKit Includes:\u003cbr\u003e\nIntake Valve Springs x 8\u003cbr\u003e\nExhaust Valve Springs x 8\u003c\/p\u003e\n\u003cp\u003eTop-tier springs are essential for accurately transferring camshaft movement to valves at high engine speeds in high-performance engines. TOMEI products are meticulously engineered with precision to meet user requirements. This includes careful selection of materials, surface coatings, and incorporation of cutting-edge technologies. Prior to production, prototypes undergo rigorous testing to ensure durability, quality, and optimal performance.\u003c\/p\u003e\n\u003cp\u003eTomei New-Concept Valve Spring Features:\u003c\/p\u003e\n\u003cp\u003e1. Enhanced Oil Tempered Chrome-Silicone Alloy Core - This wire design is optimized for racing applications, effectively reducing jump and bounce to allow for higher RPM limits. Increased fatigue limit enhances overall durability.\u003cbr\u003e\n2. Variable Stage Unequal Pitch Springs - Each spring is meticulously designed with a set rate to achieve a higher natural frequency, minimizing the risk of resonance and surging.\u003cbr\u003e\n3. Nitride Treatment - Surface treatment with Nitrogen reinforces spring material strength, ideal for handling stress fatigue. Compatible with high lift camshafts, extending spring lifespan.\u003cbr\u003e\n4. Shot Penning - Through the application of high-speed strikes from small steel balls, this process enhances the spring surface, elevating its fatigue limit. This treatment is performed during manufacturing.\u003cbr\u003e\n5. Hot Setting - Preventing permanent deformation caused by high stress loads when hot, additional measures are implemented to prevent \"Fading\" issues.\u003cbr\u003e\n6. Oval Core Wire (VQ35, VR38DETT, 4B11\/G4KF, KA24DE Applications) - Specifically designed oval shaped spring wire allows for increased compression compared to standard designs, enabling the use of high lift camshafts without compromise.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":33040026337343,"sku":"TM-TA304A-NS08A","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/d6609697bdd70b983c43b95ea832077d_1185208e-2b8d-4d69-9e5c-8a3d4ae3c946.jpg?v=1600471951"},{"product_id":"tomei-valve-spring-seat-0-5mm-set-8pcs-for-nissan-sr20det-ta305a-ns08c","title":"Tomei Valve Spring Seat Set 0.5mm For Nissan SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Valve Spring Seat for Nissan SR20DET Engines\u003c\/p\u003e\n\u003cp\u003eThickness: 0.5mm\u003c\/p\u003e\n\u003cp\u003eIncludes: 8 pcs sheet\u003c\/p\u003e\n\u003cp\u003eAPPLICATION \u0026amp; PURPOSE:\u003c\/p\u003e\n\u003cp\u003eWhen installing aftermarket valve springs in a head assembly, the amount of load applied to each spring need to be adjusted until everything is in uniform specification.\u003cbr\u003e\nThis is a standard procedure which all race engines go through in order to be able to raise the engine RPM without any glitches or hesitation.\u003cbr\u003e\nThe standard method involved when putting together the valve assembly is to fully balance all the added components to tighter clearances than the manufacturer specifications.\u003cbr\u003e\nThis method called “blueprinting” can be time consuming and a very costly service performed by an experienced engine builder.\u003cbr\u003e\nBy utilizing the various thickness of the spring sheets to adjust to each and different spring rate load, the same objective can be satisfied with fraction of the cost.\u003cbr\u003e\nAll of Tomei Powered’s complete race engines are fitted and tuned with these valve spring sheets to ensure uniform specification for all areas that are necessary.\u003c\/p\u003e\n\u003cp\u003eEFFECTS WITHOUT SPRING LOAD ADJUSTMENT:\u003c\/p\u003e\n\u003cp\u003eInitially the valve springs begin to surge, becoming very sticky under loads. This leads to ample power loss but in worst case scenarios, the cotter pin may disengage from its assembly applying major damage to the engine.\u003c\/p\u003e\n\u003cp\u003eEXAMPLE:\u003c\/p\u003e\n\u003cp\u003eWhen installing Tomei Type A valve springs in an RB26 and performing a three angle valve job, the stock spring load spec of 24kg is decreased to less than 20kg. By installing the Tomei Valve Spring Seats, the spring load can be brought back to tolerance to the 24kg range, enabling the engine to rev freely once again.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":33376112476223,"sku":"TM-TA305A-NS08C","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/9a49feaaf0876a32b61531660a1d516a_ce8445a8-52bd-454b-a390-560d58750937.jpg?v=1613766316"},{"product_id":"tomei-rocker-arm-stopper-for-nissan-silvia-240sx-200sx-sr20det","title":"Tomei Rocker Arm Stopper For Nissan SR20DET Engine","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Rocker Arm Stopper for Nissan SR20DET\/SR20DE\u003c\/p\u003e\n\u003cp\u003eIn SR engine, in the situation that engine keep rotates over 7000rpm while circuit run or drag racing, or over-rev from miss shifting will sometimes leads tappet side of the rocker arm fulcrum to jump, and rocker arm to come off.Locker arm stopper is the parts which holds the lash adjuster side of locker arm with fixed clearance, controls the deflection of locker arm when jumping occurred, and protects engine from damage.\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003e1. Set of IN\/EX side and a spacer.\u003cbr\u003e\n2. Head cover modification may be necessary.\u003cbr\u003e\n3. Cannot be used with VVL.\u003cbr\u003e\n4. Work with Solid pivot type camshaft.\u003cbr\u003e\n5. Weight 170g.\u003cbr\u003e\n6. Material SPCC (steel) chromate coated.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":39362558558271,"sku":"TM-TA311A-NS08A","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/c8ca9ecff81745a9ae766003b0b16608.jpg?v=1623268229"},{"product_id":"tomei-solid-pivot-set-with-shims-guide-set-for-nissan-sr20det-engine","title":"Tomei Solid Pivot Set with Test Shims\/Guide Set For Nissan SR20DET Engine","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Solid Pivot with Test Shim\/Guide Set for Nissan SR20DET\/SR20DE\u003c\/p\u003e\n\u003cp\u003eIn order to make cam clearance maintenance-free and quieter operation sound, the hydraulic lash adjuster was adopted for the SR20 engine. However, when aiming at higher RPM ranges and for higher horsepower output from engine modifications, it is important to improve the reliability of head system parts and to make valve drive train set correctly for the suited cam profile. So it is necessary to eliminate the use of the hydraulic lash adjusters. We have adopted the solid pivot system to enable adequate cam clearance adjustments while keeping total height of pivot of each cylinder fixed. Therefore, it is possible to build a more precise head system in a shorter time compared to the other conventional methods. Improvements in the reliability and lower pricing were made possible at the same time by having reduced the number of parts required.\u003c\/p\u003e\n\u003cp\u003eKit Contents:\u003c\/p\u003e\n\u003cp\u003eSolid Pivot x 8\u003cbr\u003e\nTest Shims x 8 (t=2.800mm x 4 Intake \/ t=2.700mm x 4 Exhaust)\u003cbr\u003e\nTest Guide x 8 (t=2.800mm x 4 Intake \/ t=2.700mm x 4 Exhaust)\u003c\/p\u003e\n\u003cp\u003eNote: Require Tomei shims and guides of the correct sizes to complete the installation.\u003cbr\u003e\nAfter installation measure the camshaft clearance with test shims\/guides then purchase the correct sizes accordingly from Tomei.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":39740468527167,"sku":"TM-TA308A-NS08A","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/be726979b40c70c0e291a78daebdd992.jpg?v=1658972976"},{"product_id":"tomei-solid-pivot-set-for-nissan-sr20det-engine","title":"Tomei Solid Pivot Set For Nissan SR20DET Engine","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Solid Pivot Set for Nissan SR20DET\/SR20DE\u003c\/p\u003e\n\u003cp\u003eIn order to make cam clearance maintenance-free and quieter operation sound, the hydraulic lash adjuster was adopted for the SR20 engine. However, when aiming at higher RPM ranges and for higher horsepower output from engine modifications, it is important to improve the reliability of head system parts and to make valve drive train set correctly for the suited cam profile. So it is necessary to eliminate the use of the hydraulic lash adjusters. We have adopted the solid pivot system to enable adequate cam clearance adjustments while keeping total height of pivot of each cylinder fixed. Therefore, it is possible to build a more precise head system in a shorter time compared to the other conventional methods. Improvements in the reliability and lower pricing were made possible at the same time by having reduced the number of parts required.\u003c\/p\u003e\n\u003cp\u003eKit Contents:\u003c\/p\u003e\n\u003cp\u003eSolid Pivot x 8\u003c\/p\u003e\n\u003cp\u003eNote: Require Tomei shims and guides of the correct sizes to complete the installation. Test shims and guides are not included, they are sold seperately - TM-TA308D-NS08A, please have them ready prior installation.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":39740468559935,"sku":"TM-TA308B-NS08A","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/5164b26bccda129025a6d2b758faa364.jpg?v=1658972979"},{"product_id":"tomei-test-shims-test-guides-set-for-nissan-sr20det-engine","title":"Tomei Solid Pivot Test Shim and Guide Set for Nissan SR20DET Engine","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Solid Pivot Test Shim and Test Guide Set for Nissan SR20DET\/SR20DE\u003c\/p\u003e\n\u003cp\u003eThis is a required part for the Tomei solid pivot and solid camshaft installation. It is used to measure the correct clearance of the camshafts.\u003c\/p\u003e\n\u003cp\u003eKit Contents:\u003c\/p\u003e\n\u003cp\u003eTest Shim x 8 (t=2.800mm x 4 Intake \/ t=2.700mm x 4 Exhaust)\u003cbr\u003e\nTest Guide x 8 (t=2.800mm x 4 Intake \/ t=2.700mm x 4 Exhaust)\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":39740468592703,"sku":"TM-TA308D-NS08A","price":144.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/edb7c1e8ba0e5c2675fd2ed8475c6008.jpg?v=1658972982"},{"product_id":"tomei-racing-valve-set-sr20det-for-silvia-180sx-rps13-s14-s15-ta303a-ns08a","title":"Tomei Oversized Racing Valve Set For Nissan 180SX\/S13\/S14\/S15 SR20DET Excl. RNN14 Engines","description":"\u003cp\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Racing Valve for Nissan SR20DET Silvia S13 S14 S15 - Excl. RNN14\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cp\u003eIntake valve (mm): Head Dia 35.15 + 1.0 \/ Stem Dia 5.97 \/ Length 101.40\u003c\/p\u003e\n\u003cp\u003eExhaust valve (mm): Head Dia 31.15 + 1.0 \/ Stem Dia 6.94 \/ Length 102.40\u003c\/p\u003e\n\u003cp\u003eIncludes:\u003c\/p\u003e\n\u003cp\u003eIntake racing valve x 8\u003c\/p\u003e\n\u003cp\u003eExhaust racing valve x 8\u003c\/p\u003e\n\u003cp\u003eNote: Please check your valve spec before purchasing.\u003c\/p\u003e\n\u003cp\u003eDescription:\u003c\/p\u003e\n\u003cp\u003eOversized Valves: The oversized head diameter is designed specifically for each application,\u003cbr\u003e\nsignificantly improving the flow rate. (Excl. FA20)\u003c\/p\u003e\n\u003cp\u003eWaisted Stem: The waisted stem allows a greater volume of air\/gases to enter\u003cbr\u003e\nand exit the combustion chamber as the valve extends. (not available on some models)\u003c\/p\u003e\n\u003cp\u003eEngine Specific Design: Each valve is designed and precision machined specifically\u003cbr\u003e\nfor the intended engine\/application. The head, face, stem and lock groove designs\u003cbr\u003e\nhave also been optimized to enhance sealing performance, efficiency and durability.\u003c\/p\u003e\n\u003cp\u003eHeat Resistance and Durability:\u003cbr\u003e\nIntake valve: The intake valves are made using SUH35 HEAT RESISTANT STEEL which is more commonly used to make exhaust valves. These are then coated with a special formula that further improves\u003cbr\u003e\nthe valves' resistance to heat, wear and corrosion.\u003cbr\u003e\nExhaust valve: In order to withstand temperatures of up to around 1000C, the exhaust valves are made using a nickel based heat resistant alloy, INCONEL 751.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":39766291775551,"sku":"TM-TA303A-NS08A","price":504.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/products\/08b3f2100fe50064f5c0130522b8fc32_c679b43e-de63-4f4e-947c-a487c8e773c8.jpg?v=1660694246"},{"product_id":"tomei-in-ex-camshaft-set-258-11-50mm-for-nissan-silvia-180sx-s14-s15-r20det-1","title":"Tomei VALC Camshaft Poncam IN\/EX Set 258-11.50mm Lift For Nissan Silvia S14 S15 SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Camshaft Poncam for Nissan Silvia S14 \/ S15 SR20DET Spec\u003c\/p\u003e\n\u003cp\u003ePosition: Intake and Exhaust Side\u003cbr\u003e\nDuration: 258 deg\u003cbr\u003e\nCam Lift: 11.50mm\u003cbr\u003e\nValve Lift: 7.41mm\u003cbr\u003e\nCenter Line: IN: 120 deg \/ EX: 115 deg\u003cbr\u003e\nBase Circle: 32.0\u003c\/p\u003e\n\u003cp\u003e*Compatible with OEM Valve Spring and Valve Lifter*\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei USA is offering its newly developed camshaft profile VALC Profile.\u003c\/p\u003e\n\u003cp\u003e* Optimized velocity and acceleration\u003cbr\u003e\n* Designed for high power setups.\u003cbr\u003e\n* Optimizes engine performance.\u003cbr\u003e\n* Higher lift than other profiles of the duration.\u003cbr\u003e\n* Reduced stress\/wear on the valve train.\u003c\/p\u003e\n\u003cp\u003e1. The VALC profile allows the valves to open faster and for longer time. This translates to faster lift and increased area under the 'lift curve' which in turn generates more power.(Greater area under the 'lift curve' = greater air intake)\u003cbr\u003e\n2. Unlike the valve opening, the VALC profile ensures that the valves close at a slower rate, helping to prevent common valve train related issues.\u003cbr\u003e\n3. With a conventional direct-acting valve train, the maximum lift is usually determined by the size\/diameter of the valve lifter. Selecting a high-lift camshaft without taking this into consideration often results in the camshaft lobes travelling beyond the surface of the valve lifter. This causes the lobe to make contact with the edge of the lifter, damaging both components over time. Therefore, the ideal performance orientated high-lift camshaft needs to have a profile that maximizes lobe travel on the lifter without exceeding the outer edge. VALC profile camshafts have achieved this ideal by deliberately reducing the maximum cam velocity to limit lobe travel on the lifter surface. (Maximum cam velocity = lobe travel distance on lifter). Compared to standard profile camshafts of the same lift, VALC profile camshafts are able to then then off-set the difference for even greater lift\/performance gains\u003c\/p\u003e\n\u003cp\u003eFor more information about VALC profile camshafts, \u003ca href=\"https:\/\/www.kuremotorsport.com\/blogs\/news\/tomei-valc-profile-camshafts\" target=\"_blank\"\u003eClick here\u003c\/a\u003e.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":40571382235199,"sku":"TM-TA301B-NS08B","price":342.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/files\/16d46da27f6fef4e0711b59edc6dff82.jpg?v=1744755740"},{"product_id":"tomei-exhaust-camshaft-272-12-50mm-for-nissan-silvia-180sx-s14-s15-r20det-1","title":"Tomei VALC Camshaft Procam Exhaust 272-12.50mm Lift For Nissan Silvia S14 S15 SR20DET - Solid Type","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Camshaft Proncam for Nissan Silvia S14 \/ S15 SR20DET Spec - Solid Type Camshaft\u003c\/p\u003e\n\u003cp\u003ePosition: Exhaust Side\u003cbr\u003e\nDuration: 272 deg\u003cbr\u003e\nCam Lift: 12.50mm\u003cbr\u003e\nValve Lift: 8.15mm\u003cbr\u003e\nCold valve clearance +\/-0.01: 0.15mm\u003cbr\u003e\nCenter Line: 115 deg\u003cbr\u003e\nBase Circle: 32.0\u003c\/p\u003e\n\u003cp\u003e*Tomei Valve Spring Type-A required for installation - \u003ca href=\"https:\/\/www.kuremotorsport.com\/products\/tomei-valve-spring-set-for-nissan-sr20det-ta304a-ns08a\" target=\"_blank\"\u003eTM-TA304A-NS08A\u003c\/a\u003e*\u003c\/p\u003e\n\u003cp\u003e*Tomei Solid Pivots required for installation -  \u003ca href=\"https:\/\/www.kuremotorsport.com\/products\/tomei-solid-pivot-set-for-nissan-sr20det-engine\" target=\"_blank\"\u003eTM-TA308B-NS08A\u003c\/a\u003e*\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei USA is offering its newly developed camshaft profile VALC Profile.\u003c\/p\u003e\n\u003cp\u003e* Optimized velocity and acceleration\u003cbr\u003e\n* Designed for high power setups.\u003cbr\u003e\n* Optimizes engine performance.\u003cbr\u003e\n* Higher lift than other profiles of the duration.\u003cbr\u003e\n* Reduced stress\/wear on the valve train.\u003c\/p\u003e\n\u003cp\u003e1. The VALC profile allows the valves to open faster and for longer time. This translates to faster lift and increased area under the 'lift curve' which in turn generates more power.(Greater area under the 'lift curve' = greater air intake)\u003cbr\u003e\n2. Unlike the valve opening, the VALC profile ensures that the valves close at a slower rate, helping to prevent common valve train related issues.\u003cbr\u003e\n3. With a conventional direct-acting valve train, the maximum lift is usually determined by the size\/diameter of the valve lifter. Selecting a high-lift camshaft without taking this into consideration often results in the camshaft lobes travelling beyond the surface of the valve lifter. This causes the lobe to make contact with the edge of the lifter, damaging both components over time. Therefore, the ideal performance orientated high-lift camshaft needs to have a profile that maximizes lobe travel on the lifter without exceeding the outer edge. VALC profile camshafts have achieved this ideal by deliberately reducing the maximum cam velocity to limit lobe travel on the lifter surface. (Maximum cam velocity = lobe travel distance on lifter). Compared to standard profile camshafts of the same lift, VALC profile camshafts are able to then then off-set the difference for even greater lift\/performance gains\u003c\/p\u003e\n\u003cp\u003eFor more information about VALC profile camshafts, \u003ca href=\"https:\/\/www.kuremotorsport.com\/blogs\/news\/tomei-valc-profile-camshafts\" target=\"_blank\"\u003eClick here\u003c\/a\u003e.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":40571383251007,"sku":"TM-TA301E-NS08A-S1415","price":171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/files\/d949c9ebcfa5a5d95b8e983b1f269e7c_298cf0b6-dca1-43dd-8fd4-5a9845cefc70.jpg?v=1733851622"},{"product_id":"tomei-intake-camshaft-258-11-50mm-for-nissan-silvia-180sx-s14-s15-r20det-1","title":"Tomei VALC Camshaft Poncam Intake 258-11.50mm Lift For Nissan Silvia S14 S15 SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Camshaft Poncam for Nissan Silvia S14 \/ S15 SR20DET Spec\u003c\/p\u003e\n\u003cp\u003ePosition: Intake Side\u003cbr\u003e\nDuration: 258 deg\u003cbr\u003e\nCam Lift: 11.50mm\u003cbr\u003e\nValve Lift: 7.41mm\u003cbr\u003e\nCenter Line: 120 deg\u003cbr\u003e\nBase Circle: 32.0\u003c\/p\u003e\n\u003cp\u003e*Compatible with OEM Valve Spring and Valve Lifter*\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei USA is offering its newly developed camshaft profile VALC Profile.\u003c\/p\u003e\n\u003cp\u003e* Optimized velocity and acceleration\u003cbr\u003e\n* Designed for high power setups.\u003cbr\u003e\n* Optimizes engine performance.\u003cbr\u003e\n* Higher lift than other profiles of the duration.\u003cbr\u003e\n* Reduced stress\/wear on the valve train.\u003c\/p\u003e\n\u003cp\u003e1. The VALC profile allows the valves to open faster and for longer time. This translates to faster lift and increased area under the 'lift curve' which in turn generates more power.(Greater area under the 'lift curve' = greater air intake)\u003cbr\u003e\n2. Unlike the valve opening, the VALC profile ensures that the valves close at a slower rate, helping to prevent common valve train related issues.\u003cbr\u003e\n3. With a conventional direct-acting valve train, the maximum lift is usually determined by the size\/diameter of the valve lifter. Selecting a high-lift camshaft without taking this into consideration often results in the camshaft lobes travelling beyond the surface of the valve lifter. This causes the lobe to make contact with the edge of the lifter, damaging both components over time. Therefore, the ideal performance orientated high-lift camshaft needs to have a profile that maximizes lobe travel on the lifter without exceeding the outer edge. VALC profile camshafts have achieved this ideal by deliberately reducing the maximum cam velocity to limit lobe travel on the lifter surface. (Maximum cam velocity = lobe travel distance on lifter). Compared to standard profile camshafts of the same lift, VALC profile camshafts are able to then then off-set the difference for even greater lift\/performance gains\u003c\/p\u003e\n\u003cp\u003eFor more information about VALC profile camshafts, \u003ca href=\"https:\/\/www.kuremotorsport.com\/blogs\/news\/tomei-valc-profile-camshafts\" target=\"_blank\"\u003eClick here\u003c\/a\u003e.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":40571391508543,"sku":"TM-TA301D-NS08B","price":171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/files\/0ae0b17231ebd4599ed4f50afa0ec1bb.jpg?v=1744756287"},{"product_id":"tomei-exhaust-camshaft-258-11-50mm-for-nissan-silvia-180sx-s14-s15-r20det-1","title":"Tomei VALC Camshaft Poncam Exhaust 258-11.50mm Lift For Nissan Silvia S14 S15 SR20DET","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Camshaft Poncam for Nissan Silvia S14 \/ S15 SR20DET Spec\u003c\/p\u003e\n\u003cp\u003ePosition: Exhaust Side\u003cbr\u003e\nDuration: 258 deg\u003cbr\u003e\nCam Lift: 11.50mm\u003cbr\u003e\nValve Lift: 7.41mm\u003cbr\u003e\nCenter Line: 115 deg\u003cbr\u003e\nBase Circle: 32.0\u003c\/p\u003e\n\u003cp\u003e*Compatible with OEM Valve Spring and Valve Lifter*\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei USA is offering its newly developed camshaft profile VALC Profile.\u003c\/p\u003e\n\u003cp\u003e* Optimized velocity and acceleration\u003cbr\u003e\n* Designed for high power setups.\u003cbr\u003e\n* Optimizes engine performance.\u003cbr\u003e\n* Higher lift than other profiles of the duration.\u003cbr\u003e\n* Reduced stress\/wear on the valve train.\u003c\/p\u003e\n\u003cp\u003e1. The VALC profile allows the valves to open faster and for longer time. This translates to faster lift and increased area under the 'lift curve' which in turn generates more power.(Greater area under the 'lift curve' = greater air intake)\u003cbr\u003e\n2. Unlike the valve opening, the VALC profile ensures that the valves close at a slower rate, helping to prevent common valve train related issues.\u003cbr\u003e\n3. With a conventional direct-acting valve train, the maximum lift is usually determined by the size\/diameter of the valve lifter. Selecting a high-lift camshaft without taking this into consideration often results in the camshaft lobes travelling beyond the surface of the valve lifter. This causes the lobe to make contact with the edge of the lifter, damaging both components over time. Therefore, the ideal performance orientated high-lift camshaft needs to have a profile that maximizes lobe travel on the lifter without exceeding the outer edge. VALC profile camshafts have achieved this ideal by deliberately reducing the maximum cam velocity to limit lobe travel on the lifter surface. (Maximum cam velocity = lobe travel distance on lifter). Compared to standard profile camshafts of the same lift, VALC profile camshafts are able to then then off-set the difference for even greater lift\/performance gains\u003c\/p\u003e\n\u003cp\u003eFor more information about VALC profile camshafts, \u003ca href=\"https:\/\/www.kuremotorsport.com\/blogs\/news\/tomei-valc-profile-camshafts\" target=\"_blank\"\u003eClick here\u003c\/a\u003e.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":40571394097215,"sku":"TM-TA301F-NS08A-S1415","price":171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/files\/d949c9ebcfa5a5d95b8e983b1f269e7c_06cc0773-bdf6-4547-80b9-c397637d82d1.jpg?v=1733851602"},{"product_id":"tomei-intake-camshaft-272-12-50mm-for-nissan-silvia-180sx-s14-s15-r20det-1","title":"Tomei VALC Camshaft Procam Intake 272-12.50mm Lift For Nissan Silvia S14 S15 SR20DET - Solid Type","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei Camshaft Proncam for Nissan Silvia S14 \/ S15 SR20DET Spec - Solid Type Camshaft\u003c\/p\u003e\n\u003cp\u003ePosition: Intake Side\u003cbr\u003e\nDuration: 272 deg\u003cbr\u003e\nCam Lift: 12.50mm\u003cbr\u003e\nValve Lift: 8.15mm\u003cbr\u003e\nCold valve clearance +\/-0.01: 0.15mm\u003cbr\u003e\nCenter Line: 120 deg\u003cbr\u003e\nBase Circle: 32.0\u003c\/p\u003e\n\u003cp\u003e*Tomei Valve Spring Type-A required for installation - \u003ca href=\"https:\/\/www.kuremotorsport.com\/products\/tomei-valve-spring-set-for-nissan-sr20det-ta304a-ns08a\" target=\"_blank\"\u003eTM-TA304A-NS08A\u003c\/a\u003e*\u003c\/p\u003e\n\u003cp\u003e*Tomei Solid Pivots required for installation -  \u003ca href=\"https:\/\/www.kuremotorsport.com\/products\/tomei-solid-pivot-set-for-nissan-sr20det-engine\" target=\"_blank\"\u003eTM-TA308B-NS08A\u003c\/a\u003e*\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003c\/p\u003e\u003cp\u003eTomei USA is offering its newly developed camshaft profile VALC Profile.\u003c\/p\u003e\n\u003cp\u003e* Optimized velocity and acceleration\u003cbr\u003e\n* Designed for high power setups.\u003cbr\u003e\n* Optimizes engine performance.\u003cbr\u003e\n* Higher lift than other profiles of the duration.\u003cbr\u003e\n* Reduced stress\/wear on the valve train.\u003c\/p\u003e\n\u003cp\u003e1. The VALC profile allows the valves to open faster and for longer time. This translates to faster lift and increased area under the 'lift curve' which in turn generates more power.(Greater area under the 'lift curve' = greater air intake)\u003cbr\u003e\n2. Unlike the valve opening, the VALC profile ensures that the valves close at a slower rate, helping to prevent common valve train related issues.\u003cbr\u003e\n3. With a conventional direct-acting valve train, the maximum lift is usually determined by the size\/diameter of the valve lifter. Selecting a high-lift camshaft without taking this into consideration often results in the camshaft lobes travelling beyond the surface of the valve lifter. This causes the lobe to make contact with the edge of the lifter, damaging both components over time. Therefore, the ideal performance orientated high-lift camshaft needs to have a profile that maximizes lobe travel on the lifter without exceeding the outer edge. VALC profile camshafts have achieved this ideal by deliberately reducing the maximum cam velocity to limit lobe travel on the lifter surface. (Maximum cam velocity = lobe travel distance on lifter). Compared to standard profile camshafts of the same lift, VALC profile camshafts are able to then then off-set the difference for even greater lift\/performance gains\u003c\/p\u003e\n\u003cp\u003eFor more information about VALC profile camshafts, \u003ca href=\"https:\/\/www.kuremotorsport.com\/blogs\/news\/tomei-valc-profile-camshafts\" target=\"_blank\"\u003eClick here\u003c\/a\u003e.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWe usually ship all orders within 1 day unless there is an issue with the order. In that case, we will contact you to find the best solution.\u003c\/p\u003e\r\n","brand":"Tomei USA","offers":[{"title":"Default Title","offer_id":40571402551359,"sku":"TM-TA301C-NS08B","price":171.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/7860\/files\/0ae0b17231ebd4599ed4f50afa0ec1bb_3ccf877c-de7e-4adc-9679-d1e7d9f1da4f.jpg?v=1744756496"}],"url":"https:\/\/www.kuremotorsport.com\/collections\/nissan-silvia-s14-cylinder-head-related.oembed","provider":"Kuremotorsports","version":"1.0","type":"link"}