Black Horse Off Road RN-DGRAM-09-79-BK Cutlass Running Boards with Black Finish High impact end caps are designed to cut through the wind, rain and road debris for a quiet ride and a clean, streamlined appearance. Precision extruded aluminum body is engineered to be strong yet light and features full length mounting channels for easy installation and infinite adjustability. The extruded aluminum body is e-coated to resist corrosion then powder-coated in a fine-textured black finish for all-weather protection and clean appearance. Long, 5-inch wide, injection molded step pads feature aggressive edge lugs to clean off the tackiest mud and debris. FITS CREW CAB ONLY