Product Description Features:CNC machined billet aluminum constructionBlack anodizing for durability, corrosion resistance, and great looksFour ball bearings help vehicle roll over rocks, logs, and other obstacles and help prevent vehicle hang up Includes three upper 4-four link mounting positions to fine tune roll centers and suspension kinematicsHardware kit including high strength black-oxide coated screwsSpecifications:Hardware kit, including: screws, nuts, and spacersFour (4) ball bearingsOne (1) aluminum skid plate with upper 4-link tabs