GoPowerSports

10T Heavy Duty Centrifugal Clutch 1" Bore, #420

Heavy duty centrifugal clutch 1"bore 10 tooth #41/420 chain. Rated up to 7hp. This fits on a 1" crankshaft the other end is 3/8".  The end of the crankshaft must be drilled and tapped to accept...

10T GPS Centrifugal Clutch 3/4" Bore, #420

10T Centrifugal Clutch - 3/4" Bore, #420 Chain, 3-7HP Engines Key Specifications: 10 tooth sprocket for #41/420/40 chain compatibility 3/4" center bore with built-in 3/16" keyway 4" diameter...

10T Max-Torque Centrifugal Clutch 3/4" Bore, #420

Max-Torque brand made in the USA. Centrifugal Clutch 10 tooth, 3/4" bore, used with #41/420/40 chain comes with a 3/16" key.