SMC Vortex Red Clutch w/o Driver

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**PLEASE NOTE: ALL VORTEX CLUTCHES DO NOT INCLUDE SPROCKETS. THE DESIRED TOOTH COUNT SMC SPROCKET MUST BE PURCHASED SEPARATELY**

Air gaps, spring heights, pressure plates and needle roller bearings were state-of-the-art in 1978. 
If you are satisfied with second place, there are plenty of manufacturers still making copies of that obsolete design. But this is 2016. Technology has come a long way in the last 38 years and if you want to win today, you will need state-of-the-art equipment.

SMC is the only manufacturer that has continually modernized its kart racing clutches. Our most recent patent was issued in October, 2015.

SMC produces the most highly engineered clutches on the market. Each piece of the Vortex clutch was designed on a CAD system, optimized with engineering analysis software, tested on dynamometers, re-tested on the race track and precisely machined with modern CNC machine tools. The results are easier adjustments, more races between rebuilds and faster acceleration.