Secondary Clutch Spring for Polaris Boost (RMK Sled Only) - 160-240 // SKU: 05-TP160-240 munchie muffler Primary spring will give you

Primary spring will give you optimized engagement at a lower RPM

Polaris Keys: Fit All CFI  2-stroke snowmobile motors

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SNYPR Adjustable Weights: Designed specifically for the P-Drive clutch

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Secondary Clutch Spring for Polaris Boost (RMK Sled Only) - 160-240 // SKU: 05-TP160-240 munchie muffler Primary spring will give youSecondary Clutch Spring (160 240) for Polaris RMK Boost SKU: 05 TP160 240 Maximize track power transfer and razor sharp backshifting in deep powder with the Bikeman Performance 160 240 Secondary Clutch Spring for Polaris Patriot RMK Boost snowmobiles. Specifically calibrated for high horsepower turbocharged mountain applications, this spring provides proper secondary sheave side pressure to prevent belt slippage under full boost. Featuring a 160 lb