American Sportworks Clutches

5/8" or 3/4" Bore, 3/16" Keyway.
3/16" Key and Set Screws included.

Available in 3/4" Bore and 5/8" Bore. The 12 Tooth Clutches use 35 Chain. The 10 Tooth Clutches use 40,41 and 420 Chain. Made in the USA. Used on American Sportworks Go Karts and many other brands. Universal Application.

Genuine Comet 3/4" Bore Clutch that uses an Asymmetric, 3/4" Top Width Belt. 4-19/32" Outer Diameter. The driver clutch bolts firmly to the engine crankshaft and must not float. Engages at approx 2200 RPM - Max. 3100 RPM. These black components are the newest design available. Comet 219552A is the most popular go kart torque converter clutch in the United States. Comet Industries USA. (The Comet 30 Series Clutches were Silver, prior to 2009.)

5/8" Bore Pulley available in 6" and 7" Outer Diameter. Comet 30 Series Driven Pulley - Made in the USA. The Black 30 Series Driven Pulleys with Snap-in Buttons are Comet's latest design. The Comet 30 Series uses an Asymmetric, 3/4" Top Width Belt. Green Tension Spring. Mount OUTBOARD with the Tension Spring facing away from the engine. Replaces the Discontinued Manco 5958 and 13373. (The Comet 30 Driven Pulleys were Silver, prior to 2009.)

Genuine Manco 13373 Factory Driven Pulley. Comet 30 Series Torque Converter Pulley. Rear Pulley that Mounts on the Jackshaft. Uses an Asymmetric, 3/4" Top Width Belt that's Flat on the Engine Side.

16mm Bore Driven Pulley, 5mm Keyway. Fits American Sportworks Go Kart Model 3170, 3171, 4170, 5210 and others. Uses an Asymmetric 3/4" Top Width Belt, that's flat on the engine side. Comet 30 Series Style Pulley with a 16mm, Metric Bore. Replaces American Sportworks Factory Pulley 14706 and American Landmaster 14706.