2024

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

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.

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

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 

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.

ONLY WORKS IN STM CLUTCHES  **Updated part # from 28ACS312** Sold in a per arm set. 1 pin and bushing set per arm is needed. Works with fixed style cam arms that have set screws to fix the arm to the pins-only for .470 wide cam arms...

PLEASE WATCH THE  VIDEO BELOW IF YOU NEED HELP WITH OPTIONS!  Click here to order parts from a clickable parts breakdown -#2001350! The secondary features all billet construction and is capable of using compression or torsion springs...

Click here to order parts from a clickable parts breakdown -#2001315! All new design for the New 4 Cylinder Engines  Stock replacement style clutch fits under stock clutch housing and uses stock bolt Uses stock or stock replacement style...

Replacement fixed sheave for the stock Pro-R (4 Cylinder Models) / Fixed sheave and post only  Made from all billet components. No need to send in components from your stock primary. This is a drop in replacement for the OEM Primary clutch 

Replacement PTO shaft housing billet steel replacement housing. This requires the use of all stock internals from the stock PTO housing to be removed and installed in this housing This item is a heavy duty billet steel housing including...

All new design for the New 4 Cylinder Engines with aftermarket Turbo or supercharger systems. **Spring and cam arms sold separately.**  Click here to order parts from a clickable parts breakdown -#2001333!  This clutch utilizes TRA style or...