[30 Series Torque Converter Clutch Kit] This 3/4″ Torque Converter is a direct replacement fits all models of Comet TAV2 Torq-A-Verters 218353A, 219552A, 219456A, 217610A. It fits all engines with a 3/4″ Straight Crankshaft. Replaces Comet, Also Fits Manco Go Karts. [For your convenience this kit comes with both sprockets]This torque converter fits a 3/4″ shaft and comes with a 10 tooth sprocket for a #40/41/420 chain and a 12 tooth sprocket for a #35 chain. It will work with engine sizes hp2 to 8hp. 30 series Asymmetrical design. Bring your off-road machine to life. [The Belt Feature] Length: 70.5cm / 27.76″, Outside circumference: 27 23/64″ , Width is 3/4″.??1.9cm / 0.75″). Center to Center of driver and driven: 6-15/16 to 7″. [Special function]This clutch will help you get more power out of your small engine by reducing engine load, A torque converter acts similar to a transmission, allows higher speeds out of your small engine, and smoother acceleration. [Go Kart Tor