2025

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...

for use in STM Primaries

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 

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

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...

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.

Pin roller kit for 3 arm WIDE spider.    This kit includes: 6-1001146  .218 Rebuild Buttons 3- 1001634  .610 Rollers 6- 1001544 Roller Bushings 3- M10x36mm Dowel Pins   Replaces 1001573

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...

Adjustment nut thrust washer.

Primary clutch .125 spring shim spacer 

Turner adjustment nut.

Rage 4 Wide Captured Pin Primary Clutch  Completely redesigned STM Rage 4WCP  Primary clutch features a wider, thicker, more durable spider with our new composite spider roller bushings for long life. The new design utilizes a...