►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. ...

  Available for most OEM tapered crankshafts 30mm - 35mm. Available in several diameters. Rigid reinforced tied tower design for higher horsepower applications and to prevent tower spread. The Rage Primary is capable of using any cam arm on the...

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 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...

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...

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...

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. Also...

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...

CANAM X3 DRAG RACE ONLY APPLICATION!    Cam arms and springs sold separately.  Rigid reinforced design for higher horsepower applications. The Rage primary is capable of using any cam arm on the market.  We have incorporated a pin...

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...