►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...

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.

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...

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 with 1...

All new driven secondary . Complete billet redesign utilizing our custom helix with a three roller configuration. Offering a compression or torsion spring design with different spring rates to choose from. Also offering a 11.0 or 10.75 diameter. Using...

For use on the Polaris Snowmobile with the 850 Patriot Engine    All new driven secondary . Complete billet redesign utilizing our custom helix with a three roller configuration. Offering a compression or torsion spring design with different...