Fit for 50cc 110cc 125cc 135cc ATVs, Dirt Bikes and Go Karts,Chinese brands like TaoTao, Buyang, Coolsport, Lifan Kazuma, SUNL, etc Made of quality iron material, which is lightweight, portable, sturdy, durable, maximum torque, wear-resisting and fast heat disation. Very popular disc style clutch assembly used in 50cc thru 135cc engines. For positive ID of your clutch, we recommend that you remove the right engine cover and inspect before ordering. Package includes 1x 17T Automatic Clutch Set. Feature: Very popular disc style clutch assembly used in 50cc thru 110cc engines. For positive ID of your clutch, we recommend that you remove the right engine cover and inspect before ordering. This clutch is NOT used for manual style clutch or handlebar mounted clutch levers or semi-auto. Chinese ATV clutch – 17 tooth – 50cc-110cc full auto Uses 17 Teeth Drive Gear Popular in 50-110cc full-auto engines Package Included: 1 x Engine Reverse Clutch Kit