Upgrade your Pro XP clutch with our Stage 4 kit for improved acceleration, throttle response, and power transfer. Includes everything for easy assembly and compatibility with stock or modified vehicles. Primarily designed for 28″-35″ tires and 28″-32″ dune paddles. Features AA primary clutch, adjustable magnetic weights, and tighter helix for better performance and durability. Simple installation with included guidelines and specialized tools. Fits 2021+ Pro XP and Turbo R models.