Extang Tonneau Cover Features: All-Climate Design That Is 4-Way Adjustable Snaps Along Cab Rail Allow Quick And Easy Access No Drilling; No Damage SpringLock+ Bows-Easy To Install; Never Fall Off 1-Finger Removal Of Tail Rail w/LeverLock+ System SnapStopper+ Keeps Snaps On Rail When Rolled Up Fiberglass Reinforced Nylon Snaps MaxCare Warranty; 10 Year Tarp; Lifetime Frame Height: 5.00 Width: 9.00 Length: 78.00 Fitment: 2003/GMC/Sonoma/SLS Standard Cab Pickup 2-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated::Bed Length = 73.1, Bed Side = Fleetside^^2003/GMC/Sonoma/SLS Standard Cab Pickup 2-Door/2.2L 2190CC 134Cu. In. l4 GAS OHV Naturally Aspirated::Bed Length = 73.1, Bed Side = Fleetside^^2003/GMC/Sonoma/SLS Extended Cab Pickup 3-Door/4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated::Bed Length = 73.1, Bed Side = Fleetside^^...