1971 Charger R/T bulge hoods. Those can be used to fit til 1974, and a separate press can be used to make the insert hole for ramcharger fresh air for and louvered insert, or no hood hole for 1972-1974 models. If AMD were to calculate how many of the chargers were made from 1971-1974, it would probably be the highest b-body production body make at the time.