The TAPP Snowmobile Primary Clutch Springs work on all makes and models. Please select the right spring for your horsepower and desired engagement.
Blue Spring 100/190
3200 - 3800 RPM with less than 400hp
Black Spring 140/210
3600 - 4200 RPM with less than 400hp
3800 - 4500 RPM with more than 400+hp
Red Spring 160/270
4200 - 5000 RPM with more than 400+hp