STM Rage Primary Clutches

When ordering use this guide to help you pick options    Available for all OEM tapered crankshafts. Available in several diameters. Also available in a screw-on or quick change spider.  Rigid reinforced design for higher horsepower...

  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...

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...