1Applicable Models: Spring style ice scratcher is fit for Rev G4, Rev?Xm , Rev?Xp chassis Summit models, and replacement for Ski?Doo 800R Summit Everest P?Tek (Rev?Xp). 2OE Number: The part numbers of reference are 860201728, 860201140, 860201761, please confirm whether it is consistent with the OE you need. 3Spring Design: The rail mount ice scratcher features a spring style design that better adapts to varying terrain and snow and ice conditions. The ice scratcher's springs bend and rebound on contact with obstacles, softening the impact and protecting your snowmobile's floorboards and pry bar guards. 4Reduce Snow Accumulation: The spring style Ice scratcher effectively reduces the layer of snow ice and icing that builds up underneath the sled. Ice scratcher provides better traction and control by cutting through the snow and preventing it from building up in the middle of the track. This provides a smoother ride and reduces dangerous conditions in inclement weather and snow conditions. 5Easy to Use: Rail ice scratchers kit is designed to be easy to use, so you can use it easily, which is convenient and practical for you.