My 1967 Cuda Restoration
Not the first time I've seen that part of the grilles painted body color. It does look good.
The only drawback is the refection on the bottom of what is ( or should I say what is not ) above. Explains the factory flat and textured argent huh ? :)
I have some shinny metal tape that came in a muffler bandage kit. It works well in light fixtures. To lightly scuff the mounting surface improves the bond.
Looking good !