R-Motion X Rails - GEN4/GEN5 129" factory length MXZ

These high strength 7000-series aluminum CNC rails are designed as a drop-in heavy duty replacement for your factory length 129" R-motion X equipped Ski-Doo snowmobile. They feature optimized cutouts, increased strength and a better approach angle to allow your sled to take anything you can throw at it. Available in stock 129" geometry. Each kit comes as a pair of 2 rails, 2 hyfax, and a hardware kit with all necessary parts for installation.