FYI
It's been my experience with Ma Mopar's casting numbers, when they don't show up in the published information pages, they turn out to be for Marine applications, or Industrial applications.
Yours big block, or small block?
2bbl? or 4bbl?
That casting number should be around the 68-69 vintage.

Last edited by hemi71x; 07/23/18 12:04 AM.
RF-4C Phantom 69-370 Zweibrucken, Germany