SkiDoo XP XR XS XM A-Arm Replacement Oilite Bronze Snowmobile Bushings Fits SkiDoo XP/XR/XS/XM Chassis Made in the USA from Oil-lite Bronze. Includes 16 Bushings for the entire front end. Replaces Ski-Doo oem part #5050772208 for the Lower & #505072250 for the Upper Bushings. The original design. Not a cheap copy from Taiwan!