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The Eagle forged 4340 steel crankshaft for Chevrolet big-block LW engines is built with a non-twist forging, 0.125-inch fillet radii and a nitrided, micropolished surface to resist wear under demanding use. Specified for Chevrolet 454 with a 4.250-inch stroke and internal balance, this forged crank is intended for high-stress applications and requires appropriate bearing and chamfering practices.
Eagle Chevrolet Big Block LW Forged 4340 Crankshaft
