Description
Custom MRP 4age 77mm Billet 4340 Crank Fully Counter Weighted
Must have item if you are planning to build a 4age race engine, improved strength and reliability
- Large counter weights to dampen harmonics at high RPM which is essential for reducing flex and improving life span of the crankshaft
- Extra large section through rod journal to counter weight for increased strength and reduced flex in one of the most critical areas of load
- OEM journal sizes so you can retain the OEM size bearings
- Cross Drilled Oil Galleries for improved oil flow to the rod bearings
- Oil gallery holes have lead in/outs to help increase oil flow to the bearings
- Dual offset crank sprocket keyway
- Nitrided, Fully balanced
- Race & Rally tested to extreme conditions 10,000rpm and over 800hp
We have been developing billet race crankshafts for 12 years+
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