2016

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...

Cylinder Mount for the STM Pneumatic Primary Lock Up clutch   

Set of 3 rollers.

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

This is a replacement seal ONLY for Polaris RZR XP-Turbo clutch housing spacer kit.

 STM Tuner Secondary Gen 2 Fixed sheave assembly Complete with sheave, post, rollers, pins, pin retaining screws.   Fits 2016-2023 Polaris RZR XP 1000 2016-2022 XP 900 Does not fit...

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...

ATV Primary Fixed Sheave Gen 2 includes post for use with STM Clutches only.

Socket head screws for Pneumatic Lockup clutch.  Set of 4.

ONLY WORKS IN STM WIDE PRIMARY CLUTCHES  Includes: 1 -  5/16 x 2 1/2" shoulder bolt with set screw dimple 1 -  1/4 - 20 Nyloc nut  

Steel button head hex drive screw for Pneumatic Lockup Clutch.  Set of 4.