SuperPro Polyurethane Differential Mounting Bush Kit for Mitsubishi EVO 1-3 and 4-9 GSR models. This kit includes bushes to replace the original rubber differential mountings appropriate for cars equiped with Mitsubishi's Active Yaw Control system and a front differential mounted on a 'Moustache' bar. Please refer to the Kit Contents guide for a full list. All the bushes in this kit are also covered by SuperPro's 3 Year/ 36,000 Mile warranty. ***