STM Tuner Driven Secondary Replacement Components

Tuner retaining washer for the keyed shaft STM tuner secondary. 

¼" x  ¼" x 3.5" key .

Sold as a set of 3, 5/16-18 x 3/4 BHCS Works for STM Gen 1 tuner secondaries with roller cover post (Part# 1001057), button cover post (Part# 1001058) Post Sold separately.

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...

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...

Adjustment nut thrust washer.

Bushing Retaining Clip.

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.

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

Movable Sheave Bushing for STM Diamond Drive Secondary  

Nylon spacer goes between the spring and helix cap to prevent wear. Use with KSS style springs and HD compression spring helix cover #1001067 and Cf-Moto secondary clutches 

Turner adjustment nut.