RZR 900 / Trail S 900

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...

Can only be used with STM Polaris and Can-Am ATV Rage 3 primary with bearing part #1001000.

.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

Can only be used with STM Can-Am Rage 6 & 8 primaries with part# 1001000.

Replacement Movable sheave for Polaris STM Gen 2 tuner secondary. Comes with bushing and bushing retaining clip installed, 1.5" bushing Id    

This is the seal ONLY from our spacer kit 2001006 This is the seal only for the spacer kit for your existing 2015-2023 clutch housing cover, cover not included.  

 STM Tuner Secondary Gen 2 Fixed sheave assembly Complete with sheave, post, rollers, pins, pin retaining screws.   Fits 2016-2023 Polaris RZR XP 1000 2016-2022 XP 900 Does not fit...

ATV Movable Sheave Gen 2. Comes with bushing and bushing retainer installed.

The 24FDU13 bushing is a replacement bushing for some STM tuner secondary movable sheave applications. 

 Wildcat Wet Clutch Model STM Primary Replacement cover 

The 24FDU558 bushing is a replacement bushing for some STM tuner secondary Dual Spring Caps sku: 1001676 applications. 

POLARIS RAGE 3RS  BILLET PRIMARY CLUTCH  USE WITH OUR STM TUNER DRIVEN FOR BEST RESULTS!  New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower initial take off...