The Automann 5.875" 380-520 Series Center Bushing Kit is the perfect solution for your suspension maintenance and replacement needs. This kit contains all the necessary hardware and bushings for a full installation. This kit minimizes vibration and noise while operating and therefore, enhancing the performance of your vehicle's suspension system. It is designed to deliver a better riding experience and provide a complete answer for a wide range of Hendrickson suspensions. FleetPride is your First Click in Heavy Duty®.