extreme duty centrifugal clutchesthe extreme duty family of centrifugal clutches are designed to hold up to the rider's toughest demands, from the veteran racers to the beginners in a yard kart. these clutches are engineered to take the heat and keep on going. the quick-change spring design makes it easy to adjust engagement speeds without a lot of time or hassle. they are available in three different series; the extreme duty for fun karts, the inferno kart racing series, and the inferno snowmobile racing series. each series is specifically designed for peak performance in their sport.
affordably priced, longer lasting and superior design.