Polyurethane based suspension, driveline and chassis components have been designed as an upgrade to the soft factory rubber components. 76-91 24 Bushing Kit (Grd. Wagoneer, Wagoneer) Precision fabrication assures perfect fit Holds super grease for quiet operation Premium grade polyurethane components Provides necessary rigidity Brand Prothane Model 1-106-BL Exterior Machined Item Weight 5.7 pounds Manufacturer Prothane OEM Part Number 1-106-BL Item model number 1-106-BL Manufacturer Part Number 1106BL