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The Eagle forged 4340 steel crankshaft for Chevrolet 400 small block is an internally balanced, non-twist forging built for demanding use. It features .125" fillet radiuses for added strength, nitrided and micropolished surfaces for finish and durability, and requires chamfered or narrowed bearings. Intended for high-stress engine builds where robust forged crank construction is required.
Eagle Chevy 400 Small Block Forged Internally Balanced Crankshaft
