Weather Guard Headache Rack Cab Protector Protect A Rail® Black Steel Model Gloss Black 1906 5 02 AddOn_ATIAllTanks The 335 3 Weather Guard Pack Center Hatch Options:Flat Center Hatch The 335 3 Weather Guard Pack Rat is the best truck bed organizer on the market The 1703349 Buyers Underbody Box is one of the best underbody truck boxes for your money Specifications Full Yes Requires Mounting Kit Yes Warranty Limited Lifetime Chevrolet Silverado 1500 Yes Chevrolet Silverado 2500 3500 Yes Ford F 150 Yes Ford F 250 F 350 Yes GMC Sierra 1500 Yes GMC Sierra 2500 3500 Yes RAM 1500 Yes RAM 2500 3500 Yes Toyota Tundra Yes Bed Length 5 ft 6 in Yes Bed Length 5 ft 7 in Yes Bed Length 5 ft 8 in Yes Bed Length 6 ft Yes Bed Length 6 ft 1 in Yes Bed Length 6 ft 2 in Yes Bed Length 6 ft 4 in Yes Bed Length 6 ft 5 in Yes Bed Length 6 ft 6 in Yes Bed Length 6 ft 7 in Yes Bed Length 6 ft 9 in Yes Bed Length 8 ft Yes