Designed For Upgrade Subaru EJ25 2.6L Engine Full Counterweight Crankshaft


Engine: EJ25

Model (L): 2.6

Stroke (mm): 83.0 (Stock +4.0)

Crank Pin (mm): 52.0

Main Journal (mm): 60.0

Counterweight: Full (8)

Material: 4340

Surface Treatment: Nitriding

Weight (kg): 8.6

Note: Crankshaft Only / Special Pistons and Connecting Rods are required For This Crankshaft

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Tomei Crankshaft:

Crankshaft is the parts that change vertical movement of a piston into rotational movement.
It is suffered from explosion load and inertia power, and the load by bend vibration or torsion vibration.

Development target:

Balance rate / Reduction of inertia mass / Stable oil delivery and lubrication / Precision of pin and journal / Reduction of stirring-resistance