Primary Clutch Spring

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EPI Primary Clutch Spring Optimize clutch engagement and maximize RPM response with the EPI Primary Clutch Spring. Engineered for precise performance tuning, this spring delivers c onsistent, repeatable engagement for ATVs, UTVs and other powersports drivetrains. Fine-tune engagement & top RPM: Adjust launch feel and top-end power by selecting the correct spring rate. Industry-leading tolerance: Manufactured to a tight ±5% tolerance for uniform performance and reliable results across production batches. Premium materials: Made from high-quality chrome silicon for superior fatigue resistance, durability and long service life. Whether you’re upgrading for racing, trail riding or everyday reliability, the EPI Primary Clutch Spring gives you predictable engagement characteristics and improved drivetrain performance. Compatible with a wide range of primary clutch setups—check fitment for your model. Buy with confidence: Trusted materials, precise manufacturing, and EPI quality control ensure this spring performs when it matters most. Show more