BAK Industries 772100 BAKFlip F1 Hard Folding Truck Bed Cover 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 Aspirated::Bed Length = 69.3, Bed Side = Fleetside^^2013/GMC/Sierra 1500/WT Extended 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 Extended Cab Pickup 4-Door/4.8L 294Cu. In. V8 FLEX OHV Naturally Aspirated::Bed Length = 69.3, Bed Side = Fleetside^^2013/GMC/Sier...