(Includes Pilot Washer) Complete 30 series replacement 3/4″ driver pulley, Replaces Comet TAV2 30-75, 219552, 5957 Comet Torque Converter kits are used in small vehicles, riding lawnmowers, small tractors, go karts, Golf Karts, mini bikes, mini choppers, ATV, motorcycles, and waterski winches Replacement 30-75 Driver Pulleys 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 30 Series Replacement Torque Converter Driver bolts on to most engines with a horizontal shaft including. TC30 Driver clutch bore: 3/4″(19mm), Uses 3/4 inch Asymmetrical Belt (Not Included). BE SURE YOU ARE ORDERING THE CORRECT PART, AND ALSO FOLLOW THE DIRECTIONS ON THE PULLEY TO MAKE SURE YOU ARE USING A TORQUE WRENCH TO THE SPECIFIED SETTINGS, AND YOU ARE USING THE CORRECT SIZE SCREW… Replacement TC30 3/4″ Driver Pulley with Pilot Washer. 3/4″ shaft bore with 3/16” key way,