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 ...

You might think that after all these years the pushrod V-8 has been in existence, cylinder head design would have been perfected. Think again. When it comes to cutting ports and combustion chambers ...

While most Four-Valve modular owners are familiar with both B and C DOHC heads, few have even heard of the requisite A head that preceded them both. The first DOHC ...