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Eagle forged 4340 steel crankshaft for SBC applications with a 3.750" stroke, big-block snout and an additional 3/16" keyway. The non-twist forging and .125" fillet radiuses increase crank strength and require chamfered or narrowed bearings. Nitrided and micropolished surfaces improve wear resistance; the big-block snout option adds robustness for high-boost or supercharged installations.
Eagle SBC 2Pc 3/16in Keyway 3.750in Stroke Big Block Snout Forged 4340 Steel Crankshaft
