Experience optimal performance with SLP’s Primary Spring 40-72, designed to enhance your ride’s engagement and peak RPM. Crafted from premium chrome-silicone wire and shot-peened for added durability, this spring ensures long-lasting reliability while minimizing the risk of sagging or breakage.
- Precision-engineered for optimal engagement and RPM performance.
- Manufactured from high-quality chrome-silicone wire for enhanced strength.
- Shot-peened to increase durability and resistance against wear.
- Lightweight design contributes to improved responsiveness.
- Compatible with a wide range of applications for versatility.
- Easy installation process for quick upgrades to your ride.








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