RANGER XP-900

Primary clutch .125 spring shim spacer 

Replacement bushings for the STM Supertip R-series weights and the P-series weights. These bushings get pressed in and reamed after installation. Reamers available as part # RMR in sizes .251, .248, .311, & .317. Purchase separately.

.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

Available in 45 gram base weight with the ability of adding 20 grams per arm for adjustment.  This design allows the option of adding weight to two different areas on one side of the cam arm to create the shifting characteristics you desire. ...

PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS!  Click here to order parts from a clickable parts breakdown!  The NEW TRIPLE roller option with a 1.25 diameter roller creates a very consistent smooth up shift...

This bolt and nut only works for the style that originally had a bolt and nut in place for the 1st stage rollers.  Sold as 1 pin and nut per assembly. If you have the set screw and pin style please click here for part number 1001028

 Wildcat Wet Clutch Model STM Primary Replacement cover 

STM tuner bolt kit, this is a generic bolt kit that will include all fasteners for the STM Tuner Secondary's listed below.. PN 1001034 replaces PN 1001035, PN 1001036, PN 1001471, PN 1001050 and PN 1001082.  FITS  STM Gen 1 and Gen 2 ATV/UTV...

ATV Primary Fixed Sheave Gen 2 comes with fixed sheave part# 2001023 and post part# 2001024 This is the 8" dia. replacement sheave 

ATV Movable Sheave Gen 2. Comes with bushing and bushing retainer installed. 

ATV Movable Sheave Gen 2. Comes with bushing and bushing retainer installed.

Replacement movable sheave for the Polaris STM Gen 2 Tuner secondary. 1.181 Bushing ID  Fits  Polaris  2010-13 RZR 800 2005-12 Sportsman 800 2013-18 Ranger xp900 2015 Xp900 2016 ACE 900   MH3-16-20