1956 - 303 CID Plymouth A Block (Badges on valve covers show "Super Red Ram") 1957 - 313 Plymouth A Block American by Year

1956 - 315 CID "Polyspheric" (Badges on valve covers show "Super Red Ram") 1956 - Optional D-500 315 CID 1957 - 325 CID "Polyspheric" The Dodge Custom Royal is an automobile which was produced by Dodge in the United States for the 1955 through 1959 model years.

[1] In each of these years the Custom Royal was the top trim level of the Dodge line, above the mid level Dodge Royal and the base level Dodge Coronet.

A La Femme option was available on 1955 and 1956 Dodge Custom Royal Lancer models.

[2] The Custom Royal was assembled by Chrysler Australia at its Mile End plant in South Australia from early 1958 utilizing CKD kits imported from Detroit.