STM Gen 2 Tuner Driven Secondary Replacement Parts

STM Tuner Secondary Dual Compression Spring  Helix Cover to be used with the KSS style springs with ps , works with HXATV , HXATVG2 and HXSM2S helix's.  ONLY works on secondary's with a 1.500" diameter post.    Comes complete...

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...

 Bolt Retaining Washer for the STM tuner secondary        Fits 2016-2020 Polaris RZR XP 1000, XP 900 (not XP-Turbo) Tuner Secondary's 2016-2020 Polaris RZR XP 1000, XP 900 Apex/Z-1 Conversion Secondary's 2016-2023 Arctic...

STM Torsion spring cover option. Allows the use of a torsion spring with the option of 7 spring load adjustments with one spring. No drilling or modifications to the STM Secondary is needed. Does not come with helix or spring...

STM Tuner Secondary bolt retaining washer  Fits    Arctic Cat Procross 800 2012-15 STM Tuner Secondary Gen 1 and Gen 2  Arctic Cat Procross 1100 2012-15 STM Tuner Secondary Gen 1 and Gen...

Replacement reverse Buttons sold individual Fits  All STM Gen 2 Snowmobile Tuner secondary's for 2 stroke machines with reverse        MH3-13-20

Offset shims for Arctic Cat Snowmobile tuner. Set of 6 shims. This is also an updated part from the "Diamond Drive" tuner offset shim SKU: 40-20

Fits 2011-15 Polaris XP 900 Apex/Z-1 Stm Conversion Tuner Secondary's 2016-20 Polaris XP-1000 Apex/Z-1 STM Conversion Tuner Secondary's  2016-20 Arctic Cat 8000 series STM Snowmobile Gen 2 Tuner Secondary's Qty 1 M10x1.25x75mm HHCS Qty 1 M10...

STM Gen 2 helix with reverse notch    Fits   All STM Gen 2 Snowmobile Tuner secondary's for 2 stroke machines with reverse        MH3-13-20

The 24FDU13 bushing is a replacement bushing for some STM tuner secondary movable sheave applications. 

Replacement parts