year warranty fits 8HP-13HP engines with a 1″ Straight Crankshaft, unique engine bolt kit for predator engines and the correct anti vibration pilot washer. Comet 30 Series Torque Converter kit bolts on to most engines with a horizontal shaft including: Briggs, Clinton, Honda and clones, Kohler, Lifan, Robin, and Tecums??eh motors.are used in small vehicles, riding lawnmowers, small tractors, go karts, mini bikes, mini choppers, ATV, motorcycles, and waterski winches with both sprockets : 10 tooth sprocket for a 40/41/420 chain and a 12 tooth sprocket for a 35 chain. Engagement range is approximately 2350??200 RPM This kit comes with a 5/8″ Driven Clutch with 6″ inner Diamerer. fits all engines with a 1″ Straight Crankshaft, replaces Comet, also fits Manco Go Karts, Comet 219554A.Go kart torque converters are CVT transmission systems for go karts, minibikes, small vehicles, jr, drafster, golf karts, odyssey, snowmobiles, ATVs, lawn equipment, industrial, winch and more.