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Eagle forged 4340 steel crankshaft for Chevrolet 454 engines, internal balance and center counterweighted with a 4.000" stroke. It features a non-twist forging and .125" fillet radiuses for strength, requiring chamfered or narrowed bearings. Nitrided surface and micropolished journals improve wear resistance. Center counterweights add stability for high-RPM, high-power applications.
Eagle Chevrolet BB 4.000in Stroke Int Balance Center Counterweighted Forged 4340 Steel Crankshaft
