Performance – TAPP Clutch was designed for high torque and high horsepower turbocharged four-strokes. Durability – High-tech material can withstand extreme heat extending the life of the clutch. Tuning – The TAPP Clutch is the easiest clutch in the world to tune. It can even be tuned on the trail. Compact Design – This allows for easy access in tight spaces. Longer Belt Life – Extensive venting and multi-angle curved sheaves for better belt grip and cooler running clutches. Reliability – More time sledding and less time in the shop. Better Throttle Response – Centralized mass/low inertia design provides a quicker throttle response.