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This kit re-calibrates force curves across your primary and secondary clutches to keep the Patriot 850 pinned directly in its peak horsepower powerband
-Uses a +7+7 blade
competitive drag racing is rapidly evolving—and we are adapting by building the high-caliber components required to transform these factory sleds into elite
Pro-X 2016-2018
Turn your skidoo 850 into a 911 big bore with this kit
Secondary Clutch Spring (160-260) // SKU: 05-160-260 rollers This kit re-calibrates force curvesSecondary Driven Clutch Spring (160 260) SKU: 05 160 260 Maximize aggressive backshift response and maintain heavy belt clamping force under extreme horsepower or heavy track loads with the Bikeman Performance 160 260 Secondary Clutch Spring. While primary springs govern engagement and upshift force, the secondary driven spring controls belt pinch and backshiftdetermining how quickly your machine downshifts back into its peak powerband when modulating