2022

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...

Set of 3 rollers.

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 is the updated replacement part for part# 1001015. Made from forged 7075. Comes assembled complete with rollers and buttons.  Rollers and buttons are replaceable.  We also have a grunt (spider) tool that can be purchased separately...

Replacement primary M14 retaining washer and lock washer for STM primary clutches purchased on or after 2/25/2020 for Polaris RS1, XP-turbo and Pro all models 

Replacement sheave for the STM  Tuner Secondary clutch   Fits All STM Z1/Apex conversion secondary's Polaris XP-Turbo  Polaris RS1 2019 Polaris Ranger XP-1000 Comes with bushing and bushing retaining clip installed  

Includes: 1 pin 1/4"x 1.5"  2 set screws 5/16"x3/8"

Cover screw set for the STM snowmobile and some ATV/UTV Rage 4 and 8 primary clutches.   1/4-20x1 1/4 HHFS set of 8 for non-counter bore cover. Torque to 125 in/lbs.

Pneumatic clutch button head Hex drive screw 10-32 x 1.5 BHCS

Plunger shaft for the STM Pneumatic Primary Lock Up clutch   

Made from billet aluminum. Comes assembled with rollers and buttons. 

STM HD compression spring helix cover to be used with the KSS style springs, works with HXATV , HXATVG2 and HXSM2S helix's.  ONLY works on secondary's with a 1.500" diameter post.    Comes complete with  Qty 1 - 2408 Bushing for 1...