A cylinder head, especially an aluminum one, seldom fails on its own. Typically, there's another matter to contend with. Undoubtedly, the most frequent cause of cylinder-head cracking is an overheated ...

There are plenty of instances where perfectly good—and often rare—cast iron cylinder head and engine block castings are scrapped due to the presence of a hairline crack in an external surface. Often ...

Like it or not, cylinder head design is a subject that's very complex, and it's impossible to make it simple. Considering that no single component on an engine affects power output more than the ...