2014 and eariler models

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

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

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...

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.

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

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...

Replacement bushings for the STM Supertip R-series weights and the P-series weights. These bushings get pressed in and reamed after installation. Reamers available as part # RMR in sizes .251, .248, .311, & .317. Purchase separately.

Rebuild Spider Replacement Button for STM clutches 

Adjustment nut thrust washer.