Does anyone know which aftermarkets lights either fog or driving will fit nicely into the lower center opening (where front license mounts) on a 97' 150 4x4?

 

2win, I mounted a set of Piaa 1000x driving lights in that opening. They are quite bright for a 55 watt light and do enhance the highbeams, but I would prefer if they would shoot down the road a bit further. Whatever you do go with, remember that you get what you pay for with aftermarket lights. Don't go through the hassle of installing cheap lamps because they will be nothing more than a decoration.