Replacement for Predator 212CC Go Kart 30 Series; replacement for all engines with a 3/4 straight crankshaft. This kit will work on engines up to 11 horsepower. This kit comes with a 6 driven clutch. This kit will help with more take off power by providing more torque in the low end and higher speeds in the top end. A torque converter acts similar to a transmission, allows higher speeds out of your small engine, and smoother acceleration. This is a complete kit, can help you do all the work. This clutch will help you get more power out of your small engine by reducing engine load. Replacement for all engines with a 3/4″ straight crankshaft, 35 chain and 40/41 chain; replacement for Predator, tooth 12 or 10. The kit comes with a 6 – drive clutch for engines up to 11 hp.