2025

Replacement parts

Replacement cover for Pneumatic Rage 8 HD Lockup clutch. Added tapped holes to use 1001580.

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 

STM Rage 4 Wide Primary Replacement cover, comes with bushing #1810.590 and retaining clip.

For use with adjuster nut Sku: 1001717

Replacement fixed sheave and post for STM Pneumatic Rage 4 HD for Polaris Turbo and Pro.  Included fixed sheave and post.    

Turner adjustment nut with 1/4"-20 tapped holes to use a bolt to open the secondary while leaving the adjust nut in place. Must be used with adjuster nut washer Sku: 1001716

Replacement part for Rage 4 WSP. Includes 2- VH131 bushing retaining clip              1- 1810 busing              8 - 1 1/4-20 x 1 1/2 SHCS 

Replacement movable sheave. Includes 10010041 bushing and VH225 retaining clip

Not designed for the average user. 4-Stroke only.  Cam arms and spring sold separately. Comes in screw-on spider option only. Click here to order parts from a clickable parts breakdown -#3001148!    

Rage 3 Wide Spread Pin Primary Clutch  NON BEARING DESIGN  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...

A non fixed bushing style arm incorporating our signature style of adjustability to offer the most tuning capabilities available. Each arm needs our 1001709 bushings for the 8mm Non fixed .470 wide pin style rage primary