►STM Rage Primary Clutch's

No warranty on Nitro 1000 or Ski-Doo Triple motors as we do not recommend running these clutches on them.   Available for all OEM tapered crankshafts. Available in several diameters.  Also available in a screw-on or quick change spider. ...

STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.   

STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.  Quick change comes with required primary puller.

No warranty on Quick Change Primary for Nitro 1000 or Ski-Doo Triple motors as we do not recommend running these clutches on them.   Available for all OEM tapered crankshafts. Available in several diameters.  Also available in a screw-on or...

Upgrade from the rod eye design to the new bracket design on the STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.    10.5" Center to Center Comes with: ...

When ordering use this guide to help you pick options   No warranty on Nitro 1000 or Ski-Doo Triple motors as we do not recommend running these clutches on them.   Available for all OEM tapered crankshafts. Available in several diameters...

No warranty on Nitro 1000 or Ski-Doo Triple motors as we do not recommend running these clutches on them.   Available for all OEM tapered crankshafts. Available in several diameters. Also available in a screw-on or quick change spider.  Rigid...

When ordering use this guide to help you pick options   No warranty on Nitro 1000 or Ski-Doo Triple motors as we do not recommend running these clutches on them.   Available for all OEM tapered crankshafts. Available in several diameters...

Rage 3 Wide Spread Pin Primary Clutch  Completely redesigned STM Rage 3WSP  Primary clutch features a wider, thicker, more durable spider with our new composite spider roller bushings for long life and quiet operation. The new...

The Rage 4 WSP-TRA clutch is the next gen of high performance CVT clutching.   It has been totally redesigned with big power, high revving 3 cyl motor in mind.  This clutch features a "Wide Spread Pin" or WSP style spider. It moves the...