Heavy duty centrifugal clutch, 3/4″ bore, 10 tooth, #41/420 chain. This fits on a 3/4 crankshaft. The end of the crankshaft must be drilled and tapped to accept a bolt to hold clutch onto shaft. Comes with 3/16″ key. This is a heavy duty clutch designed for standard live axle karts using up to 14″ tall tires. The 10t sprocket allows you to achieve a desired gear ratio for good pulling power, recommend using at least a 60T drive sprocket. For larger tire application and extreme riding you will need a torque converter.

Note- No set screws available, must have crankshaft that is threaded for a bolt to hold clutch in place.

Not available for #35 chain

Dimensions:
Outside diameter 4 3/4″
Total width 2 1/2″
Clutch back to sprocket is 2″