75-76 valiant grille
Teeth? On a '75 Valiant? Uh, no, not in the USA. You might be wise to post a pic of what you're looking for, since I doubt Chrysler Australia had the same grilles in '75 as we did in the US, and it sounds like you have a sharktooth grille.
USA
Aussie
1975 Valiant VK
The last two we never really see here.