They feature grooved bores, designed to hold Prothane's super grease, for quiet operation. As enthusiasts and racers, we take great pride in being the first to bring you better polyurethane bushings, transmission and motor mounts to enhance the performance of your vehicle.
Easy to install and helped fix the suspension creaking in the front end of my car. The car also feels slightly more solid in when cornering. A good replacement for old, worn out rubber bushings.