STM Powersports Products

The STM Rage 4WCP is the perfect solution clutch option for those looking to make over 300HP!  What's Included?  WSRD Spec STM Rage 4WCP Primary C...

The STM Rage 4HD-DR Primary is the perfect solution for high engagement Can-Am X3 machines! What's Included? WSRD Spec STM Rage 4HD-DR Primary In...

Looking to run the same clutch system as the Project 120X3 machine? Look no further! This is the top of line clutch option for those drag racing en...

WSRD's solution for big power clutch system support for your 2022-2025 Ski-Doo Mach Z and Turbo R!

Please contact WSRD or include in notes section of your shopping cart the application you will be using this in so WSRD can communicate with STM on...

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

Introducing the STM Rage 4WCP Primary an all new design for the new 4 Cylinder Polaris Pro R engines. This is a stock replacement style clutch that...

Introducing the STM Tuner Secondary for the new 2022+ Polaris RZR Pro R models! This secondary features an all billet construction and is capable o...

What's Included?  WSRD Spec STM Rage 4WCP Primary Clutch Primary Cam Arms with Weight Assortment Primary Clutch Spring (Configured to desired en...

Rage 3 Wide Captured Pin Primary Clutch  Completely redesigned STM Rage 3WCP  Primary clutch features a wider, thicker, more durable spider with ou...

Finned style secondary will not fit under stock housing and modifications to the clutch housing would be required to use a stock housing that is su...

This is a FINNED style  secondary that allows for more air movement inside the clutch housing, it helps keep the clutches, housing and belts coole...

Finned style secondary will not fit under stock housing and modifications to the clutch housing would be required to use a stock housing that is su...