Looking at a set of EAB heads. The numbers are EAB-6049-D, and EAB-6050-D. Determined from a chart the 6049 is a right hand head, and the 6050 is a left hand head. They were OEM on the 53 Ford car 239 CID flathead engine. Replacement items for 52 Ford car 239 CID flathead engine.
There's...