Cylinder head
Videos
In a piston engine, the cylinder head sits above the cylinders, forming the roof of the combustion chamber. In sidevalve engines the head is a simple plate of metal containing the spark plugs and poss
Side view of a DOHC cylinder head (with the valves and camshafts installed)
Underside of a OHV cylinder head (with the valves installed)
DOHC head- cutaway view
SOHC Honda D15A3 engine
Overhead camshaft engine
Videos
An overhead camshaft engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines, where the camshaf
Cylinder head
…sidevalve engines the head is a simple plate of metal containing the spark plugs and possibly heat dissipation fins. In more modern overhead valve and overhead camshaft engines, the head is a more complicated metal block that also contains the inlet and exhaust passages, and often coolant passages, valvetrain components…
SOHC design (utilizing a rocker arm)
Rubber timing belt during installation