Chrysler Corp. used the 10" hub cap up (& wheel) 'til 1967 - FoMoCo used it (at least) throughout the '70s.
Dodge used the 9" stainless hub cap #2944089 w/"red line" in '69-'70 and the aluminum hub cap #2944454 w/"red line" in late-'70 thru '74(+?).