Shed those stock shock absorber bushings for polyurethane ones capable of lasting longer. These bushings isolate the shock absorber body from your Jeep’s suspension, and 4WD carries standard hourglass shock eye bushings and other types from popular manufacturers like Pro Comp, Daystar and Prothane. Typically colored red or black, replacement bushings are made of specially formulated polyurethane materials and they are known to increase performance and handling characteristics. Additionally, they provide better handling and rebound efficiency for your Jeep’s shocks and they are resistant to grime and fluid. Quality bushings can go a long way toward keeping your suspension under control and giving you a smoother ride.