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Eagle forged 4340 steel crankshaft for Chevrolet 454 applications, 4.375" stroke, internal balance and center counterweighted. The non-twist forging and .125" fillet radiuses enhance durability and call for chamfered or narrowed bearings. Nitrided surface treatment and micropolished journals boost wear resistance. Center counterweights provide added stability at elevated RPM and power levels.
Eagle Chevrolet BB 4.375in Stroke Int Balance Center Counterweighted Forged 4340 Steel Crankshaft
