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The Manley Pro Series 4340 alloy steel crankshaft for Chevy LS applications provides a forged 4340 foundation built for strength and balanced operation. Features include gun-drilled mains, lightened journals to reduce reciprocating mass, heat treatment and nitriding for durability, micro-polished journals to lower friction, and 100% magnaflux inspection to ensure structural integrity for demanding engine builds.
Manley Performance Chevy LS 4340 Forged Lightweight Crankshaft
