This 3/4" Torque Converter is a replacement kit for 30 series go kart clutch. It fits all engines with a 3/4" Straight Crankshaft. It's compatiable with Comet,Trail Master,Manco Go Karts,BT200X,Baja M200 models. 30 series go kart Engine clutch, 3/4" bore for torque converter clutches and 6.5hp 212CC engines in go karts, mini bikes, and lawn mowers with 3/4" crank shaft. It works well with your go kart or mini bike clutch and engine ,give you more power good performance without overload. Package: 1X 3/4'' driver pulley torque converter 1x metal driver pulley washer (spacer) ※ Not compatible with the 16mm Crankshaft Hisun Engine on Coleman Minibikes. This 3/4" Torque Converter is a replacement kit for 30 series clutch. It fits all engines with a 3/4" Straight Crankshaft. Compatiable with Comet,Trail Master,Manco Go Karts,Coleman KT196 go kart, ct100u ct200u BT200X,Baja M200,Massimo mini bikes.