comprises an outer shell or tube 46 a elastomer coating 48 and an inner core 50 preferably the outer tube 46 and inner core 50 are constructed of steel and the elastomer coating 48 is a flexible material the outer tube 46 is inserted into an appropriate opening not shown in trailing arm 18 and fixedly attached thereto by suitable means such as welding the outer tube 46 is preferably circular in cross section but may be any suitable cross section the elastomer coating 48 is adhered directly to the outer surface of the inner core 50 such that the entire length of the inner core 50 is covered by the coating 48 the inner core 50 and elastomer coating 48 are inserted into the outer tube 46 thereafter bolt 26 is inserted through appropriate openings not shown in side plates 32 through a pair of washers 52 and through the inner bushing core 50 the washers 52 are mounted between the inner surface of side plates 32 and the ends of the inner core 50 the bolt 26 is tightened such that a compressive force is exerted on the side plates inner core 50 and washers 52 in operation the axle 12 is secured within.