ATV/UTV, Side By Side

STM torsional tuner driven purple spring.  2 1⁄4" Load - 100 lbs 1 1⁄4" Load - 159 lbs

ONLY WORKS IN STM CLUTCHES  **Updated part # from 28ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with non-fixed style cam arms Non-Fixed Pin only works with cam arms that have a bushing.  Updated from...

ONLY WORKS IN STM CLUTCHES  **Updated part # from 27ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with fixed style cam arms that have set screws to fix the arm to the pins-only for .570 wide cam arms...

PLEASE WATCH THE VIDEO IF YOU NEED HELP CHOOSING YOUR OPTIONS!   This is a Larger Diameter STM Secondary for your Apex or Z1 conversion fits the Polaris RZR, XP-900, XP-1000 and Jagged-X Splined shaft. It can be run with our STM Primary or with...

PLEASE WATCH VIDEO IN VIDEO TAB IF YOU NEED HELP WITH OPTIONS!  Click here to order parts from a clickable parts breakdown -#2001011 !  Click here to order parts from a clickable parts breakdown -#2001091 !  The...

Fastner kit comes with the following hardware:Supplied per arm: 2   - 7 gram tungsten inserts  16 - 1 gram washers  4   - O-rings  8  - M3 x 6 long screws  2  - set screws  Supplied per kit...

Rage 4 Wide Captured Pin Primary Clutch  Completely redesigned STM Rage 4WCP  Primary clutch features a wider, thicker, more durable spider with our new composite spider roller bushings for long life. The new design utilizes a...

The all New Profile design, HB series cam arms offer ideal heel weight built right into the cam arms for optimal torque and belt pinch still incorporating our signature style of adjustability to offer the most tuning capabilities available. Incorporating...

 To take full advantage of an optimal set up we suggest using the STM driven along with the Rage 3RS.   This clutch offers Strong Torque and works best for heavy throttle, race like or wide open conditions for the...

ONLY WORKS IN STM CLUTCHES  Includes: 1 -  5/16 x 2 1/4" shoulder bolt 1 -  1/4 - 20 nyloc nut 

  This Rage 3RS is an STM primary designed with the stock offset allowing it to be used with the stock secondary. To take full advantage of an optimal setup we suggest using the STM Tuner driven Can-Am Long Post along with...

Tuner Belt Deflection shim Set Of 6. For 1.181" dia post Fits All Can Am ATV/UTV STM Tuners Gen 1 and Gen 2. WILL NOT WORK ON X3 or Defender  Polaris ATV Gen 2 Tuners  2015 XP900, 2016 Ace 900, 2015-18 Ranger XP900     MH...