Exhaust stud sealant?

See this thread:

[URL][URL]https://www.forabodiesonl...ts-open-to-crank-case-or-oil-passages.570449/[/URL][/URL]

Some differences in Permatex part numbers between US and Canada.
No, both are 592. 6ml and 20ml tubes denote the extra #'s after 592