This kit creates a full-size rack that sits above your Ford F-250/F-350 Super Duty 6' 9'' truck bed. This Slimline II cargo carrying rack kit contains the Slimline II tray (1575mm x 1762mm), 2 Tracks that install on top of the side channel of the load bed, and 6 Pickup Truck Bed Universal Legs that fit into the Tracks. All Front Runner Rack Kits contain installation instructions as well as all the components needed to mount the Slimline II Tray to your vehicle. All Front Runner Dometic racks are backed by a 5‑year warranty* Drilling may be required to mount the track to the bed of your truck. See the track and leg installation instructions in the INSTALL tab for further details. Note: If your Roll Top extrusion has a 6mm (0.24'') to 7mm (0.28'') slot opening, you may need RRAC962 for installation. * Note: A maximum driving speed of 130km/80mi per hour should be adhered to, when equipped with a Front Runner Roof Rack or Load Bar kit.