There are no "seals" for the case studs. I am assuming that you mean the studs that hold the heads to the case.
However, the push rod tubes exit near the studs and it would be my guess that the gaskets for those, and possibly the push tubes themselves, need to be replaced. Certainly with an engine that old, if you do replace the gaskets, you would want to replace the tubes also. N64KR Daniel R. Heath - Columbia, SC da...@kr-builder.org See you in Mt. Vernon - 2004 - KR Gathering See our KR at http://KR-Builder.org - Click on the pic See our EAA Chapter 242 at http://EAA242.org
