RZR XP 900 & 900S

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

Set of 3 rollers.

ONLY WORKS IN STM WIDE PRIMARY CLUTCHES  Includes: 1 -  5/16 x 2 1/2" shoulder bolt with set screw dimple 1 -  1/4 - 20 Nyloc nut  

 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 Primary Fixed Sheave Gen 2 includes post for use with STM Clutches only.

Works only with HD style 1st stage cam arms.    Kit includes : 16 - 1 gram washers  3   - 7 gram tungsten washers  6   - M5 x 8mm BHCS 6   - M5 x 10mm BHCS 

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. 

This is an updated part that replaces part# 1001030 8 Arm ATV screw-on spider comes complete. 

Set of 4 rollers.

Set of 4 rollers.

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...