SPORTSMAN 550

Replacement roller for the STM snowmobile Gen 1 roller covers, Arctic Cat roller covers and the Gen 1 ATV tuner secondary clutches. 

STM Tuner Secondary roller pin (pull dowel)  Sold individually 

The 2408 bushing is a replacement bushing for some STM tuner secondary movable sheave applications. Use with clip VH175 (purchase separately) per application.

Replacement button for the STM Gen 1 ATV tuner secondary and the STM Gen 2 snowmobile tuner secondary. This button replaces the roller.  Sold individually.

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 1001050 and PN 1001082.  FITS  STM Gen 1 and Gen 2 ATV/UTV Tuner...

Replacement bushing for PN 1001304 Cover  

This part supersedes 2001016     STM Polaris ATV Tuner Secondary Belt removal tool  Thread size M10x1.25 Fits  2014-2020 Polaris XP-1000, 2012-2020 XP 900 tuner...

PLEASE WATCH THE VIDEO BELOW IF YOU NEED HELP CHOOSING YOUR OPTIONS!  Click here to order parts from a clickable parts breakdown!  All billet construction capable of using compression springs with different spring rate options. We...

STM ATV helix cover to be used with the PS or KSS style springs. Original part#'s were 1001007 and 1001009 and has been updated to fit both HD and non-HD springs. 

STM Tuner Secondary Base Tool will sit on your bench and works great for removing and installing the helix and spring along with changing belt deflection.

STM ATV Tuner Secondary Belt Shims Set of 6. Used to set the belt deflection on the STM tuner secondary's with a 1.5" dia post    Fits   2011-14 Polaris XP900 2013 Polaris 900 Jagged X  2014-24 Polaris XP1000  2024...

Reverse rotation helix for the STM Gen 1 style tuners