WEK099 - Control Arm Lower and Upper - Bushing KitEssential servicing kit for your vehicle featuring key hard working rear control arm bushings to replace worn and tired factory units. Whiteline's signature black bushings are made tough and offer outstanding abrasion resistance, high load bearing capability (4WD's, utes and towing), flexibility, increased tensile strength and chemical resistance to oil, grease, ozone and weathering.