Designed For Upgrade 4B11 2.3L Engine Full Counterweight Crankshaft
Spec:
Engine: 4B11
Model (L): 2.3
Stroke (mm): 98.0 (Stock +12.0)
Crank Pin (mm): 52.0
Main Journal (mm): 52.0
Counterweight: Full (8)
Material: 4340
Surface Treatment: Nitriding
Weight (kg): 16.8
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