1.This torque converter fits 8 – 16 hp engines,Engagement range: 1600 – 3300 RPM, 1″ Shaft Bore,Works with Comet 40/44 Series Torq-A-Verter models,Also Fits Manco Go Karts.2.Highly replacement for go karts, mini bikes, three wheelers, ATV’s, LTV’s and other transportation vehicles,40/44 Series, Go Kart Torque Converter Driver Pulley Clutch NOT includes set screws and chain also NOT included.3.Made of reliable quality Aluminum Alloy,Can effective anti-oxidation and anti-corrosion,Manufactured with the best finish craft ,Comes with shatterproof sealed ,Beautifully built with smooth surface.4.Replaces Comet 40 Series Torq-A-Verter models 209133A, 209133, 2432, 203015A, 203015. It is also is a replacement for Kenbar 400-001, Brister, Cartco, Yerf Dog, Manco, Carter Brothers, Cushman Scooters and more,Fits Engines with 1″ Shaft and 1/4″ Keyway.5. 40 Series Go Kart Torque Converter Driver Pulley Clutch will help with more take off power by providing more torque in the low end and higher spee