Be careful with used o-ring style heads. They can be a source for mystery headaches that can't be detected with a compression gauge. .003" is the magic number.
For what? I have a girdled head for Yamaha twin with 760 pump gas domes. Has a hairline crack in water jacket that could be epoxied or welded easily if needed.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.