2017

STM Gen 2 Tuner Secondary Finned Fixed Sheave Assembly comes with sheave part# 1001116  post part# 2001008 , rollers, pins, pin screws   Fits Polaris Models 2015 XP900 2016 Ace 2015-2019 Ranger XP900            ...

Not designed for the average user. Cam arms sold separately. Comes in screw-on spider option only.   Click here to order parts from a clickable parts breakdown -#2001261!

Rage 4 Wide spider without spring boss  Made from Forged aluminum. Comes assembled with rollers and buttons kit part# 1001591   Replaces 1001556

STM Rage 4 Wide Primary Replacement cover, comes with bushing #1810.590 and retaining clip.

 Retaining Bolt and lock washer  Fits  2014-15 Polaris XP1000 STM APEX/Z-1 Conversion Tuner Secondary        MH3-6-20 3/5/20 ls

Replacement movable 8.5" dia. sheave for the STM Rage4 WCP (Wide Captured Pin) Primary for Polaris Pro XP, XP-Turbo, Turbo S and RS-1 includes bushing & snap ring (Part # 1001004)

ATV Primary Fixed Sheave comes with fixed sheave part# 2001260 and post part# 2001272 assembled  This will not work for the STM Rage 3WCP for the 2022 Polaris Ranger XP1000 Northstar Ultimate Trailboos models from febuary 1st, 2022 .

Replacement Primary M14-1.5x 8.75" Retaining Bolt  *85 Ft Lbs Torque for STM primary clutches purchased on or after 2/25/2020 for Polaris RS1, XP-turbo and Pro all models  also Polaris Indy STM primary clutch kit SKU: 2001244

Replacement movable sheave for the 2001255 Primary  includes bushing & snap ring (Part # 1001004)

Replacement bearing cap for Rage 3W clutch.

This is the primary clutch cover only. Made from billet 6061 aluminium, comes with bushing and snap ring installed.  This cover is designed for the STM Rage 3 "Wide" primary. 

This is the primary clutch cover only. Made from billet 6061 aluminium, comes with bushing and snap ring installed.  This cover is designed for the STM Rage 4 "Wide" and 8 "Wide" primary's.