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What is cylinder head

Cylinder head is a very important part that in an internal combustion engine and sits above the cylinders on top of the cylinder block (often informally abbreviated to just head) .

It closes in the top of the cylinder, forming the combustion chamber. This joint is sealed by a head gasket. 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. The head can also be a place to mount the valves, spark plugs, and fuel injectors.

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