STM Rage Primary Replacement Components

This is a replacement movable sheave for the single stage HD Rage 4 STM primaries. Includes: 1 - movable sheave 1 - bushing installed 1 - bushing retaining clip installed 

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 wider...

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. 

Eight arm snowmobile quick-change spider comes complete with rollers, buttons and 1st stage arms. 

Single Stage 6 Arm Snowmobile Quick Change complete with rollers and buttons. Works with STM single stage rage 6 primary 8-1/2" Dia. or smaller

For the STM Rage 8 snowmobile primary clutch. This cover is complete with bushing and snap ring.

STM Primary Fixed sheave and post assembly  Fits   STM Rage 3 wide spread pin primary for the 4 stroke 30mm Arctic Cat and Yamaha Snowmobile's,  Assy #1001611             MH3-6-20

For the STM Rage 4 and 8 HD primary clutch only. This cover comes complete with bushing and snap ring.   Fits  STM Rage HD primary's 8-3/4" - 9-1/2" diameters 

Kit includes: 6- .610 Roller # 1001634 6- Roller Pins M10x28mm 12- Bushings # 1001544 12-Spider Buttons # 1001146