It would be bad humor if you don’t get it that’s because you don’t have bad humor so I won’t mention it ha ha. ....Or a question for an engine forum, In which case you would benefit from a valve job.
All seriousness - are you asking about
a heart valve or one of the many digestive valves?
Post Edited (astroman) : 11/29/2020 2:07:55 PM (GMT-7)