850 E-Tec

ATV secondary HD clutch spring - lime green  2 1/2" load 198 lbs 1 1/4" load 322 lbs Requires HD spring cap part number 1001009.

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

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

STM Tuner Secondary roller pin (pull dowel)  Sold individually 

This tool makes it easier when you want to make a belt deflection adjustment on your STM Tuner Secondary. Uses a ⅜" drive ratchet for better leverage.

Adjustment nut thrust washer.

Turner adjustment nut.

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

A new option for running the 2.52 pitch track and drivers on your REV XP PLATFORM or 2017 850's. Consists of four aluminum billet hubs and two PPD plastic drivers and all the hardware. The hub and sprocket assemblies slip over the stock shaft and can be...

Bushing Retaining Clip.

The spanner tool works with the STM torsional Spring Cover PN1001078    

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