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Eagle forged 4340 steel crankshaft for Chevrolet 454 engines, 4.500" stroke, internal balance and center counterweighted. Constructed with a non-twist forging and .125" fillet radiuses that require chamfered or narrowed bearings, it also receives a nitrided finish and micropolished journals. Center counterweights improve stability for high-RPM, high-power applications where durability is critical.
Eagle Chevrolet BB 4.500in Stroke Int Balance Center Counterweighted Forged 4340 Steel Crankshaft
