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...

A complete billet replacement secondary for the diamond drive and 1" shaft with 1/4 key. Sheaves are made from billet aircraft aluminum and the center post made from billet heat treated steel. Uses OEM 05 thru 07 Arctic Cat...

Gen 2 & Diamond Drive torsion helix cover.