I have these from Summit and they fit and don't leak. I had to enlarge the holes to get them to fit my Indy heads but that was no big deal to me shruggy

https://www.summitracing.com/oh/parts/sum-440350/overview/

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60