1.500 129 SP 1.625 90 135
The stock track on the snowmobile you selected has:
*1.6" Cobra has an effective lug height of 1.5"
Performance 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.
Check out this link if you have an aftermarket track for choosing correct application. Click Here