Go Kart Torque Converter Kit is a direct replacement and fits all models of Comet TAV2 Torq-A-Verters 218353A, 219552A, 219456A, 217610A, and 203814A 30-75 . Vehicles currently using a centrifugal clutch can easily upgrade to a bolt on TC2 torque converter saving money from burned up CC units Comet Torque Converter 30 Series small engine belt drive pulley clutch kit will help with more take off power, smoother acceleration, climbing ability, and top end speed by providing more torque in the low end and higher speeds in top end. Comet Torque Converter kits are used in small vehicles, riding lawnmowers, small tractors, go karts, mini bikes, mini choppers, ATV, motorcycles, and waterski winches 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 Tecumseh motors. Driver clutch bore: 1″(24.5mm),Driven unit: Overall Diameter 6″ (5/8″ driven pulley) ,This is a complete kit