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Eagle forged 4340 steel crankshaft for SBC with a 3.750" stroke, big-block snout and an extra 1/4" keyway. The non-twist forging and .125" fillet radiuses enhance strength and necessitate chamfered or narrowed bearings. Crank journals are nitrided and micropolished for toughness and reduced friction, making this crank suited for demanding or boosted applications requiring a stronger snout.
Eagle SBC 2Pc 1/4in Keyway 3.750in Stroke Big Block Snout Forged 4340 Steel Crankshaft
