2011

NON-FIXED PIN Fastener kit comes with the following hardware: This kit is for Cam Arm that utilize bushings to pivot on the pin kits  Fastener kit comes with the following hardware:Supplied per arm: 2   - 7 gram tungsten...

NON-FIXED PIN Fastener kit comes with the following hardware: This kit is for Cam Arm that utilize bushings to pivot on the pin kits  Supplied per arm: 2   - 7 gram tungsten inserts  16 - 1 gram washers  4   -...

This design allows the option of adding large quantity of weight to three different areas on both sides of the cam arm to create the shifting characteristics you desire. Each arm can be assembled with tungsten and steel washers that can be used in...

STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.   

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

PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS!  Click here to order parts from a clickable parts breakdown!  All billet construction capable of using compression springs with different spring rate options. We...

  40 Gram Base 3-Arm 40ATVX-3.5-3 (3.5 radius)  40 Gram Base 4-Arm 40ATVX-3.5-4 (3.5 radius) 45 Gram base 3-Arm 45ATVX3 is designed specifically for the STM Rage 3 only. 45 Gram base 6-arm 45ATVX-3 45 Gram base 8-arm 45ATVX-4 50 Gram...

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...

Fastener kit comes with the following hardware:Supplied per arm: 2   - 7 gram tungsten inserts  16 - 1 gram washers  4   - O-rings  8  - M3 x 6 long screws  2  - set screws  Supplied per kit :  1 -...

Fastner kit comes with the following hardware:Supplied per arm: 2   - 7 gram tungsten inserts  16 - 1 gram washers  4   - O-rings  8  - M3 x 6 long screws  2  - set screws  Supplied per kit :  1 - 222...

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...

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 torquing the clutch bolt. This tool works on all STM Rage 4 & 8...