Fits REV-XS, REV-XP, REV-XR 5/16 - 1.325 inch; pack of 84 (for 120 inch track) A complete line of traction products developed specifically for Ski-Doo's REV-XP and REV-XR RipSaw Lite tracks. Due to the unique track design, this is the only traction product available to maintain track warranty and track life. Kit complete with stud, nut and support plat. The only traction product approved by BRP for the REV-XP and REV-XR platforms. Note: The use of aggressive skis, ski carbide runners or studs will alter the handling of your snowmobile, particularly in terms of maneuverability, acceleration and braking. Please refer to your operator's guide for more details.