Chevrolet Performance LSX Crankshaft W/ 4.125” Stroke And 58X Reluctor

Build your next high output LS engine on a foundation you can trust with the Chevrolet Performance LSX crankshaft. Designed for strength, durability, and precision, this crankshaft is the same tough unit used in Chevrolet Performance’s crate engines. It is ideal for street performance, strip duty, or high-powered custom builds.

Features and Benefits:
- 4.125″ stroke increases displacement potential and torque output
- 58X reluctor tone wheel is compatible with modern LS ignition and EFI systems for precise timing
- 8-bolt flange for flexplates and dampers.
- Used in Chevrolet Performance crate engines 
- Ideal for street, strip, and high output LS builds
- 4340 premium forged steel for strength and durability in performance applications

Constructed from 4340 premium forged steel, this crankshaft has exceptional tensile strength and resistance to fatigue under high RPM and heavy loads. Its 4.125″ stroke increases engine displacement potential and torque output. Equipped with a 58X reluctor tone wheel, this crank is ready for modern engine management systems that rely on precise crank position sensor signals for ignition timing and fuel injection. The 8-bolt flange provides a rugged, secure mounting surface for flexplates or harmonic dampers.

Vehicle Fitment:
- 1960-1987 Chevy/ GMC C10
- 1988-1998 Chevy C/K

Please Note: Balancing is required.