Primary Clutch Spring for Ski-Doo // 05-173-385 Category_Default Category/SXS/Polaris RZR/Ranger 700 Putting down 2% more power

Putting down 2% more power to the ground than our standard Goldstar weights

Restores Throttle Crispness: Eliminates air leakage across the reed cage to maintain proper crankcase pressure

professional look under the hood

riders see a 4-5 MPH gain in top speed along with significantly faster acceleration and a much more responsive throttle feel

Compatibility: Polaris RZR Pro R

Primary Clutch Spring for Ski-Doo // 05-173-385 Category_Default Category/SXS/Polaris RZR/Ranger 700 Putting down 2% more powerPrimary Clutch Spring for Ski Doo 05 173 385 Elevate your Ski Doo's acceleration and performance with this high quality Primary Clutch Spring. Engineered for consistency and durability, this spring is essential for maximizing power transfer from the engine to the track. Precision Engineering Spring Rate: The rate of 173 385 provides an aggressive initial engagement (173 lbs) and a high finish rate (385 lbs) for strong upshifts and excellent belt