850 E-Tec

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

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.

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.

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. How To Video CLICK HERE 

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...

Adjustment nut thrust washer.

Turner adjustment nut.

Bushing Retaining Clip.

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 

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...

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...