In this black 28 mm front sway bar bushing kit , polyurethane based suspension, driveline and chassis components have been designed as an upgrade to the soft factory rubber components. Precision fabrication ensures a perfect fit. Holds super grease for quiet operation and provides necessary rigidity.. This set of black polyurethane 28mm front sway bar bushings from Prothane fit 84-01 Jeep Cherokee XJ.