New 2 rear sway bar bushings made of 90 durometer polyurethane, much tougher than original rubber bushings, will greatly improve loose sway bars. Compatible with Ford F53 Class A Motorhome 1999-2011 Fits 36mm sway bars Cut on the bottom for easy installation. Includes Lithium Teflon grease.... Bushings have grease grooves in the design for maintenance free operation.