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+