2023

Pin roller kit for 3 and 6 arm spider.  NOT FOR USE IN 3VL PRIMARY CLUTCHES! for 3vl pin roller kits please Click Here  This kit includes new buttons, rollers with composite style bushings, and spider pins. Also used as a replacement for...

Bushings for capture pin style primary clutches with .570 wide cam arms weights  These are sold 2 pieces = enough for 1 cam arm  

for use in STM Primaries

These are sold individually. 1 roller

This tool makes it easier when you want to make a belt deflection adjustment on your STM Tuner Secondary. Uses a ⅜" drive ratchet for better leverage. How To Video CLICK HERE 

STM tuner bolt kit, this is a generic bolt kit that will include all fasteners for the STM Tuner Secondary's listed below.. PN 1001034 replaces PN 1001035, PN 1001036, PN 1001050 and PN 1001082.  FITS  STM Gen 1 and Gen 2 ATV/UTV Tuner...

ATV Gen 2 helix fits our STM Gen 2 ATV secondarys (3-roller Design) 

Replacement button for the STM Gen 1 ATV tuner secondary and the STM Gen 2 snowmobile tuner secondary. This button replaces the roller.  Sold individually.

Cam arm pin with 2 set screws , 1 set needed per cam arm. Includes:  Qty 1 - 5/16 x 2" Dowel                      2 - 3/8-16 x 3/8 Nylock Set Screw (torque to 50 inch lbs...

This is a Gen 2 style bearing 47mm non sleeved. Only works with sheaves that have previously had 47mm bearing.

ONLY WORKS IN STM CLUTCHES  **Updated part # from 28ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with fixed style cam arms that have set screws to fix the arm to the pins-only for .470 wide cam arms...

A heavy duty tool (also known as the grunt tool) that allows you to remove and install your spider. It will work on the primary clutch cover as well to hold it from turning while torqueing the clutch bolt. This tool works on all STM Rage 3 & 6...