Eagle Chevy BB 1Pc Rear Seal 4.500in Stroke Int Balance Center Counterweight Forged Steel Crankshaft

Eagle forged 4340 steel center-counterweighted Cranks feature a non-twist forging, center counterweights for added stability at high RPM and high-power applications. 125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.