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.
Stroke: 4.000 in. - Min. Rod Length: 6.125 in. - Main Journal: 2.559" - Rod Journal: 2.100 in.
Manley Chevrolet LS 4.000in Stroke Lightweight Pro Series Crankshaft (Not Balanced)
Manley Lghtwght Forged Crank - Chevy LS - 24 Tooth Reluctor - Not Balanced
4340 Construction: Forged or Turbo Tuff billet for superior strength
Gun-drilled mains and lightened journals cut weight
Manley Performance isn't just selling components
Manley Crankshaft, CRANK-4340 4.000 STROKE.
Heat-treated and nitrided for durability
Micro-polished journals reduce friction
Manley Crankshaft, 4340 4.000 STROKE
100% magnaflux-inspected
CRANK-4340 4.000 STROKE
Engine Crankshaft
Crankshaft