Cylinder Blocks & Components

Cylinder Block:

Body of the engine containing cylinders, made of cast iron or Aluminium as single Unit.

Cylinder:

The circular cylinders in the engine block in which the pistons reciprocate back and forth.

Head:

The piece which closes the end of the cylinders, usually containing part of the clearance volume of the combustion chamber.

Combustion Chamber:

The end of the cylinder between the head and the piston face where combustion occurs.