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.
Manley Billet CCW 4.000in Stroke Crankshaft w/ 58 Tooth Reluctor Wheel
4340 Construction: Forged or Turbo Tuff billet for superior strength
Manley Chevrolet LS Billet Crankshaft - 4.000 in. Stroke
Manley Crankshaft, CRANK-4340 BILLET 4.000 STROKE CCW.
Manley Crankshaft, CRANK-4340 BILLET 4.000 STROKE CCW
Gun-drilled mains and lightened journals cut weight
Manley Performance isn't just selling components
Manley Crankshaft, 4340 BILLET 4.000 STROKE CCW
Heat-treated and nitrided for durability
Micro-polished journals reduce friction
CRANK-4340 BILLET 4.000 STROKE CCW
100% magnaflux-inspected
Engine Crankshaft
Crankshaft