Max-Torque Go Kart Centrifugal Clutch 10T ,3/4" Bore For #40, 41, 420 chain

New  10T ,3/4" Bore #40/41/420 chain, SS1034, Max-Torque
standard crankshafts with standard 3/16" keyway, built-in square key and set screw.
Rated for up to 8 hp.