SPORTSMAN 800

Available in 45 gram base weight with the ability of adding 20 grams per arm for adjustment.  This design allows the option of adding weight to two different areas on one side of the cam arm to create the shifting characteristics you desire. ...

Used for removing the spider nut from the screw-on all STM clutches and 1995 thru 2009 and 2016 team Arctic Cat primary clutches.  Fits ALL Screw-on style STM clutches regardless of year. Replaces 1001072 STM & Arctic Cat Spider Nut Socket...

Replacements for spiders that came with these HD arms. Arms are sold individually and come with bushing already installed. HD 1st stage M5 fastener kit required with these arms and is sold separately.  These Cam Arms are not recommended at...

A heavy duty tool (also known as the grunt tool) that allows you to remove and install your spider. It will work on the primary clutch cover as well to hold it from turning while torquing the clutch bolt. This tool works on all STM Rage 4 & 8...

Spider retaining nut STM Rage Primary Clutches 

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. 

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.

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...