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The Manley Pro Series 4340 alloy steel crankshaft (billet options noted) delivers a precisely balanced foundation for high-demand engine builds. Forged 4340 construction, heat treatment, nitriding, gun-drilled mains, lightened journals and micro-polished surfaces provide strength and reduced friction. Each crank is magnaflux-inspected to ensure reliability across heavy-duty applications.
Manley Billet CCW 3.622in Stroke Crankshaft w/ 58 Tooth Reluctor Wheel
