Brand new, HILLIARD EXTREME DUTY sprocket centrifugal clutches. Ideal for mini-bikes go-karts. Uses oil impregnated shoes for smooth accelleration. Thermodynamically designed clutch shoe increases the clutch''s capacity to absorb heat without damaging clutch springs, resulting in longer life and greater reliability. (3/4 bore #35) No warranty.RECOMMEND 2 DROPS OF OIL FOR EVERY HOUR OF USE.
