High performance bushing replacement, no squeaks! Want to experience precision driving, faster lap times, improved road feel and feedback? These patented elephant racing polybronze suspension bearings set a new standard for performance, ride quality and ease-of -installation. Polybronze have a rigid bronze bearing core that does not deform. The polyurethane jacket absorbs mount irregularities while the bronze inner bearing remains true, providing a free-moving machined-fit that rides on a precision race. provided grease fittings make re-lubrication a breeze and a figure 8 groove keeps grease in place. The combination delivers zero squeaks and friction-free suspension movement. well suited to street or track, ride quality is smooth and performance maximized.