Anybody know who in the heck stocks a lower grille for 78-81 Camaros?? I cant find one anywhere

GO to EBay they almost always have some or go Get a "Year-one" catalog(www.yearone.com) They have just about any part you could ever want from 67-81. It'll cost you like $6 for the catalog but its like the size of a phone book and it has lots of useful information on the camaro thats just good to know.