Description
Fine-tuning your clutch engagement is the difference between consistent, predictable shifts and unpredictable power loss on the track. The EPI Secondary Spring – Red KSS4 gives you precise control over shift rate, side load pressure, and full shift-out poundage, allowing you to dial in the exact engagement characteristics your setup demands. With industry-leading 5% manufacturing tolerance, you get repeatability that matches professional racing standards.
- Adjustable shift rate
- Customizable side load pressure
- Tunable full shift-out poundage
- 5% tolerance specification
- EPI manufactured quality
- MPN: KSS4
- Red color identification
- Precision racing applications





