Description
Primary clutch engagement directly impacts your sled’s acceleration, handling, and overall drivability—making spring tuning essential for dialing in performance across varying conditions. The EPI Primary Spring PS-4 gives you precise control over engagement RPM and top-end performance, allowing you to optimize shift characteristics without replacing the entire clutch assembly. Built to exacting tolerances, this spring delivers consistent, repeatable performance season after season.
- Manufacturer Part Number: PS-4
- Material: Premium spring steel
- Tolerance: ±5% consistency
- Application: Primary clutch tuning
- Installation: Bolt-on replacement
- Function: Adjusts engagement and peak RPM
