we're providing the core strength your engine build demands. The Pro Series 4340 Alloy Steel Crankshaft is an efficient and precisely balanced foundation for performance, built not just to survive, but to handle extremes across a wide range of applications.
Reluctor: 24 Tooth - Min. Rod Length: 6.098 in. - Main Journal: 2.559 in. - Rod Journal: 2.100 in. - Bobweight: 1800 g
Note: Manley 4340 forged crankshafts are not intended for use with highly boosted roots style cog belt superchargers
Manley Chevrolet LS 4340 Forged 3.622in Stroke Pro Series Light Weight Crankshaft
4340 Construction: Forged or Turbo Tuff billet for superior strength
Manley Forged Crankshaft - Chevrolet LS - 3.622 in. Stroke
Gun-drilled mains and lightened journals cut weight
Manley Performance isn't just selling components
Heat-treated and nitrided for durability
Micro-polished journals reduce friction
Manley Crankshaft, 4340 3.622 STROKE
100% magnaflux-inspected
CRANK-4340 3.622 STROKE
Engine Crankshaft
Crankshaft