2020

Spider nut.

This clutch offers extremely good throttle response. Works best is fast pace Racing applications.  New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower initial takeoff ratio than...

This clutch offers extremely smooth low engagement with improved torque. New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower initial takeoff ratio than our past design. Allows tighter...

This retaining washer is to fit the .750 post end STM primary clutch on the XDS Turbo. Use stock primary bolt with this retaining washer and lock washer included. 

This supersedes and replaces part # 3001066.   This clutch offers extremely smooth low engagement with improved torque. New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower...

Not designed for the average user. Cam arms sold separately. Comes in screw-on spider option only.     

STM clutch support brace designed to tie the pneumatic primary and secondary together to prevent shaft flexing for improved performance and belt life.  WORKS WITH STM PRIMARY AND SECONDARY ONLY     

Spider - pin & roller rebuilt kit for Rage 4 WIDE spider only! Includes: 4 - 1001545 Rollers 8- 1001544 Bushings 4 - M10 x 36mm Pins 8 - 1001146 Spider Buttons  

Rage 4 Wide spider without spring boss  Made from Forged aluminum. Comes assembled with rollers and buttons kit part# 1001591

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

Replacement movable sheave includes bushing & snap ring (Part # 1001004)

Replacement movable sheave for the 3001121 Primary  includes bushing & snap ring (Part # 1001004)