FORD D.O.T liner Wheel Simulator Set.  Fits 03-04 F-450 & F-550 2WD & 4WD (19.5" 8 lug).  

-Over the lug D.O.T liner Phoenix Simulators, quick and easy to install.  
-All tools and hardware included for fast installation.  
-Simulators are made from high quality polished staineless steel, so you dont have to worry about your investment rusting.
-Will not void manufacturers warranty
-Meets D.O.T. regulations