RZR XP 4-900

Rage 8 ATV primary cover screw set. Includes: 8 - ¼-20 x 3/4" BHCS 

ONLY WORKS IN STM CLUTCHES  Includes: 1 -  5/16 x 2 1/4" shoulder bolt 1 -  1/4 - 20 nyloc nut 

ONLY WORKS IN STM CLUTCHES  **Updated part # from 27ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with non-fixed style cam arms only for .570 wide cam arms.  Non-Fixed Pin only works with cam arms that have...

Available in 45 gram base weight with the ability of adding 20 grams per arm for adjustment.  This design allows the option of adding weight to two different areas on one side of the cam arm to create the shifting characteristics you desire. ...

This part supersedes 2001016     STM Polaris ATV Tuner Secondary Belt removal tool  Thread size M10x1.25 Fits  2014-2020 Polaris XP-1000, 2012-2020 XP 900 tuner...

Used for removing the spider nut from the screw-on all STM clutches and 1995 thru 2009 and 2016 team Arctic Cat primary clutches.  Fits ALL Screw-on style STM clutches regardless of year. Replaces 1001072 STM & Arctic Cat Spider Nut Socket...

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

Replacements for spiders that came with these HD arms. Arms are sold individually and come with bushing already installed. HD 1st stage M5 fastener kit required with these arms and is sold separately.  These Cam Arms are not recommended at...

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...

Spider retaining nut STM Rage Primary Clutches 

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...

This compression tool will allow you to change weights in your STM primary clutch without removing it from the crank. Simply remove the belt and clutch bolt, screw in the thread rod with the plastic cup and tighten the nut to collapse the sheaves...