2017

Made from billet aluminum. Comes assembled with rollers and buttons. 

Cover screw set for the STM snowmobile dual stage Rage 6 primary clutches. Torque to 125 in/lbs. Comes with 6 bolts as shown.

Set of 3 rollers. These rollers do not come with most ATV, UTV or SXS STM clutches but can be used to keep the 1st stage cam arms engaged further into the shift.

Can only be used with STM Polaris and Can-Am ATV Rage 3 primary with bearing part #1001000.

Replacement valve for the STM Pneumatic Primary LockUp clutch     

.075" thick spider shim  Fits  All STM ATV primary's with a Sleeved 2 way Bearing  All STM Primary's with a 1.875" diameter post    MH 3-3-20

SHCS style cover stop for the STM Pneumatic Primary Lock Up clutch  Includes part # 1816 bushing & vh131 snap ring.  

Spanner tool for the STM Pneumatic Primary clutch cover stop

ATV Primary Fixed Sheave Gen 2 comes with post part# 2001178  

ONLY WORKS IN STM CLUTCHES  Sold in a per arm set. 1 pin and bushing set per arm is needed. Includes: 2 -  1001317 inner bushings for .570 wide weights .048 shoulder bushing 2 -  1001316 outer bushings for .125...

ONLY WORKS IN STM CLUTCHES  Sold in a per arm set. 1 pin and bushing set per arm is needed. Includes: 2 -  1001317 inner bushings for .570 wide weights .048 shoulder bushing 2 -  1001316 outer bushings for .125...

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 &...