1973 up dart toys?

MPC made 1975 and 1976 Promos and 1/25 scale kits ; the 1976 was re-released in 1984 as the "Dodge Duster" under the MPC-come-ERTL name ; and it was re-released again in c.2004 .

As far as I know , no one makes the 1973 / 1974 grille .