2020

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 fixed style cam arms that have set screws to fix the arm to...

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...

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 fixed style cam arms that have set screws to fix the arm to...

This can only be used with STM Polaris and Can-Am ATV Rage 3P primaries with bearing part# 1001000.

Made from billet aluminum. Comes assembled with rollers and buttons.  Spider Rebuild Kit: Click Here

These are designed for the STM Rage 3VL 2016-2017 RZR XP-Turbo primary clutch. They have the capability adding 32 grams per arm for adjustment.  This design allows the option of adding large...

Primary clutch .125 spring shim spacer 

ATV Movable Sheave Gen 2 includes bushing and snap ring. Works only with Rage 3S and Rage 3P primary clutches.

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, ...

.075" thick spider shim  Fits  All STM ATV primary's with a Sleeved 2 way Bearing  All STM Primary's with a 1.875" diameter post    MH 3-3-20

Trans shaft seal shim for the Can-Am Maverick XDS Turbo model STM secondaries.

Bolt sleeve for the STM Can-Am primary retaining bolts.