Centrifugal Clutches | Go Kart Clutches | Mini Bike ...
The American Classic 'SS' (Six Shoe) MaxTorque Centrifugal Clutch The 'SS' is the most popular style centrifugal clutch used by American Go Kart Manufacturers since it's introduction in 1970. It has a broached 3/16" keyway with two set screw holes located 90 degrees apart, tapped 1/4"28.