oil and filter for post break in change.

Coolant to top off, cause you're not gonna catch it all.

something to scrape/clean gasket surfaces. Lacquer thinner for final clean. Shop vac to get the scrapings cause your rags won't catch it all.

Probably missing something myself.

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.