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The Eagle forged 4340 steel crankshaft for Chevrolet 400 is a non-twist forged crank with .125" fillet radiuses, nitrided surface and micropolished finish, intended for demanding engine applications. Specified as a 4.000" stroke internal balance crank, it’s built to provide superior strength for high-stress builds where forged 4340 material and careful finishing are required for durability.
Eagle Forged 4340 Steel Crankshaft Chevrolet 400 SBC
