STM Rage 4 Replacement Components

Quick change spider shim .06 thick. Fits 30 and 35mm taper.

Snowmobile Movable Sheave

These set screws are to adjust the tuck of the primary cam arms in the STM Rage primary clutches with the engagement set screw holes. Works for rage 3, dual stage rage 6, rage 4 and 8 arm clutches that have the cam arm tuck adjustment set...

Snowmobile primary clutch quick change sleeve.

Replacement quick change spider for the STM Rage 4 snowmobile primary clutch. Made from billet aluminum. Comes assembled complete with rollers and buttons.

Our billet cover is a rigid design made from 6061 aircraft aluminum. This design captures the towers of the movable sheave and helps stop them from spreading.  Our billet cover also allows the use of the Ski-Doo TRA springs which offers a...