When I bought out the complete company samples of every cylinder head gasket that Fitzgerald gasket co made 1909--1950, back in 1978 era.
There were RAJO head gaskets for model T and A's, plus 1914--1926 dodge 4 cylinder. There were also gaskets for the LAUREL HEAD, FRONTENAC HEAD, and one for the Willys 4 1933---1939.
Never found any for the ARDUN head, might have gotten grabbed by garbage guys when left in rear lane overnite.
Followed the link and great read on the 216 chevolet, never heard of it before either.
mike....... HAIRBALL