EPI CLUTCH KIT POLARIS WE437430The best all around use kit; if you do a bit of everything this is the kit for you, Great for trail riding, occasional mud and sand riding, plowing and hauling, Designed to improve low and mid range acceleration, Helps decrease belt slippage, which will decrease clutch heat, Kit will enhance back shifting and throttle response, Field tested to assure satisfaction, Designed for stock motor and exhaust