The cylinder head is one of the most important components in an engine since it deals, among other things, with ensuring compression. It is a metal block that seals the upper part of the cylinders of an engine while serving to house other components, such as the valves or the combustion chamber.
The cylinder head of the engine is attached to it by means of screws and a cylinder head gasket, a part in charge of correctly sealing both elements and preventing compression losses.
The cylinder head has to withstand heavy loads and very high temperatures, which is why it often ends up being damaged or cracking.
Some warning signs of cylinder head failure are: