RZR XP-900 & 900S

This compression tool will allow you to change weights in your STM primary clutch without removing it from the crank. Simply remove the belt and clutch bolt, screw in the thread rod with the plastic cup and tighten the nut to collapse the sheaves...

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. 

Bushing Retaining Clip.

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.

Process to order please allow 5-10 days from order date  PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS!  Click here to order parts from a clickable parts breakdown! The NEW TRIPLE roller option with a 1.25...

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...

Primary Clutch Puller   Manufactured from the highest quality steel  Precise machining for accuracy  Heat treated for superior strength  Sold individually.   Fits: 900 RZR S 4x4 15-19 900 RZR XC...

ATV spider shim .060.   supercedes or replaces C166597.

Primary Clutch Puller   Manufactured from the highest quality steel  Precise machining for accuracy  Heat treated for superior strength  Sold individually.   Polaris - OE PU-52422 1000 Ranger 20-21 1000 Ranger...

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.

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...