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About this product

The KWI Red High Engagement Primary Spring is a purpose-built primary spring for Polaris RZR Pro and Pro Rmodels — used as the high engagement spring in the X300, X300T, X302, and X302T Clutch Kits. Available here individually for riders who need a replacement or want to swap engagement characteristics without purchasing a full kit.

The Red Spring raises engagement RPM for a more aggressive clutch feel — delivering harder launches, stronger acceleration off the line, and a more responsive throttle in high-performance applications. Whether you're running a naturally aspirated Pro build or a high-horsepower turbo setup, the Red Spring gives you the higher engagement option that the X300 and X302 series kits are built around.

Why it matters

The high engagement spring in KWI's X300, X300T, X302, and X302T kits — available individually when you need it.

Higher engagement RPM means more aggressive launches and stronger acceleration response. The KWI Red Spring delivers that in a direct replacement that fits every kit in the X300 and X302 series.

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Product Info

The KWI Red High Engagement Primary Spring is a purpose-built primary spring for Polaris RZR Pro and Pro Rmodels — used as the high engagement spring in the X300, X300T, X302, and X302T Clutch Kits. Available here individually for riders who need a replacement or want to swap engagement characteristics without purchasing a full kit.

The Red Spring raises engagement RPM for a more aggressive clutch feel — delivering harder launches, stronger acceleration off the line, and a more responsive throttle in high-performance applications. Whether you're running a naturally aspirated Pro build or a high-horsepower turbo setup, the Red Spring gives you the higher engagement option that the X300 and X302 series kits are built around.