Tousley Rider Supply offers ski-doo tunnel ice scratchers with replaceable tips, designed specifically for the REV Gen4 models with 137-inch tracks. These scratchers are essential for maintaining optimal cooling on hard-packed or icy trails by kicking up snow and ice, ensuring that your snowmobile’s tunnel and track remain properly lubricated and cooled. Perfect for harsh winter conditions, these ski-doo tunnel ice scratchers are a must-have for any serious rider looking to protect their snowmobile from overheating and extend the life of their track and cooling system. Enhance your snowmobiling experience with this reliable accessory from Tousley Rider Supply.