China 3/4" 19.05mm Dia. Hole Variable Performance Clutch Kit for Gx200 168 170 Predator 212cc Gasoline 4-Str. Gokart Racing Engine, Find details about China Variable Clutch, CVT Clutch from 3/4" 19.05mm Dia. Hole Variable Performance Clutch Kit for Gx200 168 170 Predator 212cc Gasoline 4-Str. Gokart Racing Engine