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: 30.00 Length: 74.00 Fitment: 2008/Dodge/Ram 3500/SXT Standard Cab Pickup 2-Door/6.7L 408Cu. In. l6 DIESEL OHV Turbocharged::Bed Length = 76.3, Bed Side = Fleetside, Dually Bed^^2008/Dodge/Ram 3500/SXT Standard Cab Pickup 2-Door/5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated::Bed Length = 76.3, Bed Side = Fleetside, Dually Bed^^2008/Dodge/Ram 3500/SXT Extended Crew Cab Pickup 4-Door/6.7L 408Cu. In. l6 DIESEL OHV Turbocharged::Bed Length = 76.3, Bed Side = Fleetside, Dually Bed^^2008/Dodge/Ram 3500/SXT Extended Crew Cab Pickup 4-Door/5.7L...