They ARE certified for use on the Cessna 150, as they are the style of Push Rod Tubes that Continental currently uses on ALL O-200 series engines. I know this to be fact as I have an O-200A that was purchased and received directly from the Continental factory where I live in Mobile, AL about 5 years ago for my '59 150, and these are what come Installed.
Last edited by Yancey Hall; 03/12/20 08:20 PM.
