[10 Tooth Centrifugal Clutch]This go kart clutch 3/4″ Bore 10T for #40/41/420 Chain, Designed for Single Wheel Drive Karts with Tires no larger than 15″ Tall ??Chain Not included). [Compatible]The centrifugal clutch 3/4″ bore 10 tooth fit 2 – 6.5 HP 2300 RPM gasoline engines for minibike, generator, garden tractors, go karts, and for sport kart, mini bike, mini chopper, and mini motorcycles engines. [Product Material] The Go kart clutch is made of quality iron material, which is lightweight, portable, sturdy, durable, maximum torque, wear-resisting and fast heat disation. [Easy to Install] Easy to install, Metric Property Bolt and Washer Kit are Included. Mounts Onto Crankshaft Using Bolt and Washer on the End of the Crankshaft.Bi-directional Operation, Clutch Can Mount Inward or Outward on Crankshaft. [Before Purchasing]Please check carefully up and below information about our go kart clutch 3/4″ Bore 10T shaft fitment before your purchasing, If you have any questio