2017

STM HD compression spring helix cover to be used with the KSS style springs, works with HXATV , HXATVG2 and HXSM2S helix's.  ONLY works on secondary's with a 1.500" diameter post.    Comes complete with  Qty 1 - 2408 Bushing for 1...

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.

This compression tool will allow you to change weights in your 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.  5/8-18...

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     

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

.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

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

Replaces part #2001226

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...

Spanner tool for the STM Pneumatic Primary clutch cover stop