STM Tuner Driven Secondary Clutches

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...

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...