For 1968 Ford Mustang Fits: Rear Notes: Leaf spring bushing kit; Black; Back; with 0.5 inch shackle pin; high performance polyurethane; NOT TRUE, NOT SUITABLE! The inside diameter and outside diameter are incorrect and no bushings are provided to compensate. The ID is too large and the OD too small to match the factory hardware as advertised. ID is the inside diameter of the sleeve. OD is the outside diameter of the sleeve. In the photo below and on the left are the original sockets from the car.