OK update information on these heads are 5.2/5.9 1992-2001 casting#671466
Looking at and older post back in 2013 by 69 cuda440 I BELIEVE this is what I have??
1992 - 2004 {318 Magnum} Casting #53006671 {Also Casting #'s 671/466/714}
CC's / Port Volume / Size / Flow
Closed-Chamber Combustion...