Hot Rod Sled Shop Clutch Kit designed for the Ski-doo Backcountry and Freeride 800R Etec. This kit includes HRSS2 ramps, helix, HRSS Pin adjustable kit,primary rollers, primary spring, and now includes our new 195-315 H5 secondary spring and Slickshift bearing. This kit was tested with 1.25 to 2.25" tracks and gearing up to 25t, and from se-level to Cooke with just pinweight changes. This kit engages soft at 3200 rpm and accelerates hard. Belt and sheave temperature is reduced from stock substantially, resulting in better belt life and no fade in long and deep pulls. Rpms are consistent at w.o.t. and backshift is also faster than stock. This kit really wakes up these Mountain "Lite" sleds as we call them. Instructions are included with calibrations for track lug height and elevation.