Extang Trifecta Tonneau Cover Features: Tri-Fold Design Comes Completely Assembled No Loose Parts Installs In Seconds No Tools Fast New Clamping System Double Pivot Hinges W/Center Link And Padded Seals MaxCare Warranty;Lifetime Warranty Frame And Tarp Improves Gas Mileage By 10 Percent Height: 5.00 Width: 29.00 Length: 66.00 Fitment: 2011/Ram/Dakota/TRX4 Crew Cab Pickup 4-Door/4.7L 285Cu. In. V8 FLEX SOHC Naturally Aspirated::Bed Length = 64.9, Bed Side = Fleetside^^2011/Ram/Dakota/SXT Extended Cab Pickup 4-Door/3.7L 226Cu. In. V6 GAS SOHC Naturally Aspirated::Bed Length = 64.9, Bed Side = Fleetside^^2011/Ram/Dakota/ST Extended Cab Pickup 4-Door/3.7L 226Cu. In. V6 GAS SOHC Naturally Aspirated::Bed Length = 64.9, Bed Side = Fleetside^^2011/Ram/Dakota/SLT Crew Cab Pickup 4-Door/4.7L 285Cu. In. V8 FLEX SOHC Naturally Aspirated::Bed Length =...