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Manley's Pro Series 4340 forged crankshaft for Chevrolet LS applications is a precision-balanced, lightweight 4.000" stroke assembly that includes a 58-tooth reluctor wheel. Built from 4340 alloy steel, it offers gun-drilled mains, lightened journals, heat treatment and nitriding for durability, micro-polished journals to reduce friction and 100% magnaflux inspection to ensure integrity for demanding engine builds.
Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel
