►STM Tuner Driven Clutch's

A simple bolt on that utilizes the old style OEM Arctic Cat helixes and springs providing a much wider variety of tuning options.  The Tuner is made from T6061 aluminum and heat treated steel hub and towers.  The movable sheave has reinforced...

STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.   

 A simple bolt-on that utilizes the old style OEM Arctic Cat helixes and springs providing a much wider variety of tuning options. The tuner is made from T6061 aluminum and heat treated steel hub and towers. The movable sheave has reinforced towers...

STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.  Quick change comes with required primary puller.

Upgrade from the rod eye design to the new bracket design on the STM clutch support brace designed to tie the primary and secondary together to prevent shaft flexing for improved performance and belt life.    10.5" Center to Center Comes...

For use on the Polaris Snowmobile with the 850 Patriot Engine  Click here to order parts from a clickable parts breakdown -#2001248C! Click here to order parts from a clickable parts breakdown -#2001248T! All new driven secondary . Complete...

Click here to order parts from a clickable parts breakdown -#2001073C!Click here to order parts from a clickable parts breakdown -#2001073T!   All new driven secondary . Complete billet redesign utilizing our custom helix with a three roller...