For Diamond Drive snowmobiles
Uses a torsion spring conversion kit in the secondary for optimum performance
Amazing all-around performance gains
Wicked acceleration
Quicker back-shifting
More efficientally transfers power to the track
Better belt life
Holds RPM much better in deep snow conditions
Adjustable weights to dial in your setup
Adjustable secondary spring tension for those that like to tune
Includes torsion conversion kit, helix, secondary spring, primary spring and Goldstar adjustable magnetic weights
NOTE: 2009 or newer models with electronic engine reverse may have issues going into reverse under heavy load situations. When going into reverse, try to engage the clutch as smoothly as possible.
Product Series
