Getting back to my fuel pump... AMK Products makes a complete carter rebuild kit that looks like the correct dimensions, but with an extra check valve for the mercruiser application. I've ordered a new OEM one, but I'm going to get one of these kits and try it on my old one.
https://www.deadnutson.com/carter-hi...p-rebuild-kit/ << the comments here talk about mercruisers...
Great instructions ->
https://www.428cobrajet.org/how-to-fuel-pump
https://www.cjponyparts.com/67-and-u...-1967/p/AFP67/