5/8 In. Bore Centrifugal Clutch, #35 12-Tooth Mini Bike

#35 chain, 5/8 in. bore, 12-tooth Centrifugal Clutch. Includes Key and Set Screw. Sintered metal clutch shoes; Smooth positive engagement @ 1,800 to 2,000 rpms; works clockwise or counterclockwise; for 2-1/2 to 7 horsepower 4-cycle engines.