Description
A reliable starter is non-negotiable when you’re building a high-performance LS engine, and weak cranking power cuts into your track time and testing sessions. The Proform 4.41:1 gear reduction starter delivers the high-torque output needed to spin over built and modified LS engines consistently, even under challenging conditions. This is the difference between confident ignition and frustrating crank struggles on race day.
- High-torque output
- 4.41:1 gear reduction
- GM LS-series compatible
- Bolt-on installation
- Single unit






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