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The Eagle forged 4340 steel crankshaft for Chevrolet big-block 454/502 applications is a center-counterweighted, internally balanced 4.250" stroke crank built for high-rpm, high-power use. Non-twist forging and center counterweights add stability, while 125" fillet radiuses, a nitrided surface and micropolished journals increase strength. Requires chamfered/narrowed bearings and features a one-piece rear seal.
Eagle Chevrolet Big Block 454/502 Forged Crankshaft 4.250in Stroke
