340-S Hood inserts who "restores" them ?

I used these guys for the pot metal Rallye mirrors and a few other items on my '70 ebody. Home

They are not cheap, but their work is second to none. They drill out each pit and plate the entire part with copper , sand it down and keep plating it with copper until the surface is smooth.

Once you get it back, you can paint the recesses black and wipe of the chrome surface to get the end result you want.