2025

Qty 1 .570 wide Replacement bushing for the STM Supertip cam arm . will require reaming after press  Fits  STM  Supertip Yamaha Y, YS, YX and YXE style cam arms that fit the stock 8mm pins.  (Ream after press .316 reamer is...

ATV Rage 3 and 6 primary cover screw set. Includes: Qty 6 of ¼ x 20 x 3/4 BHCS

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

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

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 

These are sold individually. 1 roller

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.

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) 

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...

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