Ford Dually Fender, F250, F350, F450, fits 2011+ Model Years, w/ fuel door cut out for square/ rectangular fuel door, dually conversion fender, short bed (w/ large stone guard provision of the 2013-2016). Our Ford F250 F350 F450 dually fenders are "hand-layed" using a sanding gel coat, polyester resin and 4 layers (1/8") of fiberglass chopped strand mat. Then hand trimmed, sanded / prepped and primed. All Ford dually fenders come with a limited life time warranty.