This OE black polyurethane front track bar bushing set provides better handling and control of your Jeep. Polyurethane is a stronger replacement than the stock rubber and lasts for as long as you need it! Fluid and road grime resistant. Offers a direct fit with no drilling required.. This black polyurethane track bar bushing from Prothane fits one end of the front track bar on 84-01 Jeep Cherokee XJ. Two required per track bar.