STM Rage Primary Replacement Parts

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

Snowmobile Movable Sheave

These set screws are to adjust the tuck of the primary cam arms in the STM Rage primary clutches with the engagement set screw holes. Works for rage 3, dual stage rage 6, rage 4 and 8 arm clutches that have the cam arm tuck adjustment set...

8 arm snowmobile screw-on spider. Comes complete with rollers, buttons and 1st stage arms. 

Screw-on HD spider shim .03 thick. Fits STM 30, 33 and 35mm primary clutch with 1.875" dia post   Old part number - 25-30-35-HD-SO-03

Four arm screw-on HD spider complete with rollers and buttons.  Works in STM Rage 4 HD primary 8-3/4" diameter or larger. Rebuild kit available: #1001651

Set of 4 rollers.

Set of 4 rollers.

Rage 4 Wide spider without spring boss  Made from Forged aluminum. Comes assembled with rollers and buttons kit part# 1001591   Replaces 1001556

This retaining washer is made to fit the STM primary clutch with a 1/2" diameter retaining bolt.