Extang eMax Tonneau Cover for Ford F-250/F-350 Super Duty 6.75' Bed 72486 Height: 6.000 Width: 36.500 Length: 74.500 Fitment: 2017/Ford/F-350 Super Duty/XLT Standard Cab Pickup 2-Door/6.7L 6651CC 406Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 81.8, Bed Side = Styleside, Dually Bed^^2017/Ford/F-350 Super Duty/XLT Standard Cab Pickup 2-Door/6.2L 6210CC 379Cu. In. V8 FLEX SOHC Naturally Aspirated::Bed Length = 81.8, Bed Side = Styleside, Dually Bed^^2017/Ford/F-350 Super Duty/XLT Extended Cab Pickup 4-Door/6.7L 6651CC 406Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 81.8, Bed Side = Styleside, Dually Bed^^2017/Ford/F-350 Super Duty/XLT Extended Cab Pickup 4-Door/6.2L 6210CC 379Cu. In. V8 FLEX SOHC Naturally Aspirated::Bed Length = 81.8, Bed Side = Styleside, Dually Bed^^2017/Ford/F-350 Super Duty/XLT Crew Cab Pickup 4-Door/6.7L 6651CC 406Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 81.8, Bed Side = Style...