HOT ROD SLED SHOP SKI-DOO SUMMIT CLUTCH KIT WITH 951 OEM RAMPS: This kit uses Ski-doo oem 951 ramps for a better price point than our HRSS adjustable weights and retains the use of your clicker system which some of you guys are fond of. This is both a LOW & HIGH ALTITUDE (1000-10,000 ft )adjustable kit that includes our adjustable P-drive pivot bolt kit, 951 Ski-doo ramps, HRSS H5 primary spring, and HRSS H5 secondary spring. This kit pulls harder, backshifts faster, offers more throttle response ,and more track horsepower than any of the various stock Ski-doo clutch setups offered from 2017-2019. Calibrations for 154-175 inch 2.5-3" tracks. Stop the scalding clutches with better clutching and better clutch alignment with our engine mount shims, QRS shim kit and alignment tolls. This kit smokes the stock clutching and has been tested in Wyoming, Montana , and Idaho extensively in varied deep snow conditions. Buy with confidence and specify your riding elevation at checkout as we offer varied adjustable P-drive pivot bolt kits.