STM Tuner Driven Secondary Replacement Components

Snowmobile Tuner Driven Movable Sheave Includes Movable sheave Qty 1 PN 1001057 Roller post Qty3 OR PN 1001058 Button Post Qty 3 PN 1001063 5/16-18 x 3/4" BHCS Qty 3 PN 1001061 5/16 lock nut Qty 3 PN...

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 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...

Qty 1 - Replacement roller cover post for the STM Gen 1 tuner secondary. Post includes post screw and locknut.

 Qty 1 - Replacement button cover post for the STM Gen 1 tuner secondary. Post includes post screw and locknut.

Our billet cover is a rigid design made from 6061 aircraft aluminum. It is a replacement upgrade for Arctic Cat part# 0748-018 and comes complete with a bushing and rollers.

Our billet cover is a rigid design made from 6061 aircraft aluminum. It is a replacement upgrade for Arctic Cat part# 0148-234 and comes complete with a bushing 

Steel Washers set of 3 for STM Billet Roller Covers 

ATV Gen1 helix fits our STM Gen 1 ATV secondary's   If you need a reverse or opposite rotation helix see 99HXXP

This fits the STM Tuner Gen1 Snowmobile clutches and old style Arctic Cat secondary's