BAK Industries Truck Bed Cover Features: State Of The Art Security Easy Clamp On Installation Locks In Full Position Flush Aerodynamic Design The Worlds Lowest Profile Cover Protects Against The Elements Allows 100% Access To Truck Bed w/o Removing Cover Carry Full Load w/Out Removing Cover Height: 68.00 Width: 23.00 Length: 8.00 Fitment: 2013/GMC/Sierra 1500/XFE Crew Cab Pickup 4-Door/5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3, Bed Side = Fleetside^^2013/GMC/Sierra 1500/WT Standard Cab Pickup 2-Door/5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3, Bed Side = Fleetside^^2013/GMC/Sierra 1500/WT Standard Cab Pickup 2-Door/4.8L 294Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3, Bed Side = Fleetside^^2013/GMC/Sierra 1500/WT Standard Cab Pickup 2-Door/4.3L 262Cu. In. V6 GAS OHV Naturally...