Diesel Engine Cylinder Head

An item designed to inclose the cylinder bor (s) of an engine block to form a combustion chamber(s). It may have liquid cooling passage(s) and/or air cooling fin(s) and may include valve(s), valve guide(s), rocker arm(s), injector tube(s) , and the like. It is a component part of an engine, diesel. See also cylinder head, gasoline engine.