RZR XP 4-900

Pin roller kit for 4 and 8 arm spider.  NOT FOR USE IN 3VL PRIMARY CLUTCHES! for 3vl pin roller kits please Click Here  This kit includes new buttons, rollers with composite style bushings, pins and washers. Works with all STM Rage 4 & 8...

STM ATV helix cover to be used with the PS or KSS style springs. Original part#'s were 1001007 and 1001009 and has been updated to fit both HD and non-HD springs. 

STM Tuner Secondary Base Tool will sit on your bench and works great for removing and installing the helix and spring along with changing belt deflection.

Bushing Retaining Clip.

PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS! Click here to order parts from a clickable parts breakdown -#2001033! Click here to order parts from a clickable parts breakdown -#2001092! The NEW TRIPLE roller option...

The Rage 3P is an STM primary designed with the stock offset allowing it to be used with the stock secondary. To take full advantage of an optimal set up we suggest using the STM driven along with the Rage 3P...

ATV spider shim .060.   supercedes or replaces C166597.

Pin roller kit for STM HD Rage 4 and 8 arm spider.  This kit includes: 4- 1001634 - .610 Rollers 8- 1001544 Bushings 4- M10 x 28mm Dowel Pin 8- 1001146 .218 Rebuild buttons Works with STM HD Rage 4 & 8 spiders.

STM ATV Tuner Secondary Belt Shims Set of 6. Used to set the belt deflection on the STM tuner secondary's with a 1.5" dia post    Fits   2011-14 Polaris XP900 2013 Polaris 900 Jagged X  2014-24 Polaris XP1000  2024...

This is the updated part for part# 1001003.  Lightweight 7075 forged Rage 6 ATV spider. Strength and lightweight in a forged ATV spider for the STM Rage 6 ATV, UTV and Side by Sides. Comes with 1st stage launch arms and 1st stage arm fastener kit...

ONLY WORKS IN STM CLUTCHES  **Updated part # from 29PC** 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 the pins-only for .470 wide cam arms with 1/4"...

This design allows the option of adding large quantity of weight to three different areas on both sides of the cam arm to create the shifting characteristics you desire. Each arm can be assembled with tungsten and steel washers that can be used in...