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.
The stock timing crank gear may need to be chamfered to clear the larger radius on the snout of the crank. Long snout for Dry Sump Oiling Systems. 8 Flywheel bolt holes @ M11 x 1.5 threads Flywheel register has an 11.062 mm (.4355") dowel
Stroke: 3.622 in. - Min. Rod Length: 6.098 in. - Main Journal: 2.559 in. Rod Journal: 2.100 in. - Bobweight: 1850 grams
Manley Chevrolet LT1 4.000in Stroke Lightweight Long Snout Pro Series Crankshaft
4340 Non-Twist Forging: Lightweight, high-strength design for max performance
Manley Chevrolet LT Forged crank - 4.000 in. Stroke - Long Snout - 58 Tooth
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 4.000 STROKE
100% magnaflux-inspected
CRANK-4340 4.000 STROKE
Engine Crankshaft
Crankshaft