1.25 or 1.6 129 SP 1.375/1.625 135 180
The stock track on the snowmobile you selected has multiple track options
1.625 Top Gun SP Kit.
Advance Trail quantity is for riders that uses full throttle application and are seeking to maximize performance of the machine. As well as improved braking, handling and predictability.
Looking for a more advanced stud pattern? Click Here
Check out this link if you have an aftermarket track for choosing correct application. Click Here