Topic: Early (70’ko) top end oil seals

[slyguy]

Geez, lots of changes, mine is a 33xxx which uses just the 2
11x2.5 above & below the cylinders. I see the new upgraded replacements are a square cut seal? Which way do they get used?
Nevermind it was an optical illusion! lol when I removed them from the tape, they’re just regular orings.

[Don R]

 There are multiple posts about all of the available head gaskets getting thicker making it necessary to also thicken the O rings to prevent oil leaks. check it out.

[slyguy]

Thanks Don