RZR 900 / Trail S 900

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

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

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.

Primary clutch .125 spring shim spacer 

For the 2015-2023 clutch housing cover update on the RZR XP1000 to run our secondary, the clutch housing cover needs to be spaced out for clearance. The kit can be used on 2014-2023 XP1000’s running the 2015-2023 clutch housing cover. This is a...

ONLY WORKS IN STM CLUTCHES  **Updated part # from 28ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with non-fixed style cam arms Non-Fixed Pin only works with cam arms that have a bushing.  Updated from...

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...

2 1/2" load 1 1/4" load

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...

Replacement aluminum spacers for the 2016 and newer Polaris XP-1000 and 900 clutch housing spacer kit. Pricer is per spacer. 8 Required for a full kit 

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. ...