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The Manley Pro Series forged crankshaft for Chevrolet LS applications features a 4.000-inch stroke and a long snout configuration matching LS-7 style engines. Built from 4340 alloy steel with options in forged or Turbo Tuff billet, it offers gun-drilled mains, lightened journals, heat treatment, nitriding, and micro-polished journals to reduce friction. Each unit is 100% magnaflux-inspected for durability in demanding builds.
Manley Chevrolet LS 4.000in Stroke Lightweight w/ Long Snout (LS-7) Pro Series Crankshaft
