Description
Custom MRP 4age 77mm Billet 4340 Crank Fully Counter Weighted
- 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 use the OEM size bearings
- Oil gallery holes have lead in/outs to help increase oil flow to the bearings
- Oil gallery feeds are the same as the 4age crank meaning constant 360 degree of oil supply to the journals at all times unlike the oem 7afe crank
- Dual offset crank sprocket keyway
- Nitrided, Fully balanced
- Race & Rally tested to extreme conditions 10,000rpm and over 800hp
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