The clutch kit for real-world trail riding; improves efficiency and performancePull harder out of cornersExceptional backshift characteristics keep engine in the powerband to keep power on tapDurable, high-quality helixes have been tested in varying conditions to provide optimal performanceWil not reduce engine reliabilityInclude instructionsFor additional performance gains, use of traction products is recommendedKits designed for 0 ft. to 2,000 ft. altitude