The 3/4″ Torque Converter is an upgraded ball bearing version. It’s 30 series Comet TAV2 go-kart torque converter, fits all engines with a 3/4″ Straight Crankshaft. Used in go karts, mini bikes, and other power sports vehicle & machine. The predator performance parts replace for Go Karts/Mini Bike 30 series Engine Comet Manco, 3/4″ bore designed for 6.5HP 212CC engines. Featuring 6″ Dia. with 3/4″ Bore, 3/16″ Key way. Interchanges with part numbers 219552A 30 Series Torque Converter Driver Clutch. This go kart clutch is designed to work with a 5959 belt (not included) and driven pulley assembly (not included). The upgraded version use a ball bearing in stead of the brass bearing, smoother and much more durable. 30 Series Go Kart Torque Converter Clutch Driver Pulley Replacement Comet Manco 212CC 3/4″ Bore Max for Go kart Mini Bike – Ball Bearing VersionPackage included: 1 x 3/4″ Torque Converter Clutch