Improved rebuild kit lets you completely rebuild your primary clutch with just one kitCan-Am primary rebuild kit includes buttons, rollers, roller pins and washersPolaris primary rebuild kit may include cover bushing, movable busing, weight pins, weight pin nuts, buttons, button shims, O-rings, rollers, roller pins and roller washersPrimary button kit and roller kit for Can-Am are available separatelyPrimary button kit and roller kit for Polaris are available separatelyKit components vary by model