Highway Products 66 5/8" Bed Rails For F250-550 8' Bed With 23" Gullwing And Headache Rack 580-00078-BK62Highway Products 66 5 8" Bed Rails For F250 550 8' Bed With 23" Gullwing And Headache Rack 580 00078 BK62 The Elite Truck team loves the Highway Products Bed Rails. Highway Products offers a wide variety of heavy duty bed rails that offer more accessibility for your truck bed. Not only are Highway Products bed rails made with the highest quality materials available, Highway Products has some of the best looking and unique designs in the bed rails