2014 and eariler models

New improved two-way bearing design. The main shaft bearing is now smaller with a 47mm outside diameter allowing a lower initial takeoff ratio than our past design. Allows tighter belt deflection and smoother transmission shifting. Click here to order...

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...

This a a complete adjustable cam arm weight set for the stock primary clutch on the Can-Am X3 and Defender primary clutches  They have the capability to add grams of weight to each arm for adjustment.  The design gives the option to addi a...

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 sheave for the Can-Am STM Tuner Secondary Gen 2. Includes bushing and bushing retaining clip installed.

.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

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...

Replaces part #2001226

Can only be used with STM Can-Am Rage 6 & 8 primaries with part# 1001000.

Turner adjustment nut For 1001501 Spanner Wrench