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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