In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. … In most engines, the head also provides space for the passages that feed air and fuel to the cylinder, and that allow the exhaust to escape.

What is a head in an engine?

In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. … In most engines, the head also provides space for the passages that feed air and fuel to the cylinder, and that allow the exhaust to escape.

How many heads does a car have?

Cars with inline (straight) engines have one cylinder head and automobiles with V engines have two cylinder heads, one for each cylinder bank. In some vehicles, where cylinder banks are very close to the V engine, one cylinder is all that is needed. Large industrial vehicles may have one head per cylinder.