This 752mm/29.6” long, full-size Slimline II cargo roof rack kit contains the Slimline II Tray, Wind Deflector and 2 Cab Over Camper Rails to mount the Slimline II Tray to your Chevrolet Silverado 3rd/4th Gen. Drilling is required for installation. 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 Racks are backed by a Limited Lifetime Warranty* For further information on installation, please see the fitment instructions in the INSTALL tab.