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 | Illustrated: 4 Cylinder Head |
Cylinder Head: A component (usually made of cast iron or cast aluminum) that forms the combustion chambers, intake and exhaust ports: including water cooling passages: and provides support for valvetrain components, spark plugs, intake and exhaust manifolds, etc.
| The cylinderhead attaches to the engine block with several large bolts that squeeze a head gasket between the block deck and head surfaces; and when attached, the head becomes a load-carrying member, adding strength and rigidity to the cylinder block assembly. Modern cylinderhead designs fall into three major categories: 1) overhead-valve with wedge, canted-valve, or hemispherical combustion chambers; 2) single-overhead cam with wedge or hemispherical cambers; 3) double-overhead cam with hemispherical chambers.
A straight engine has only one cylinder head. A V engine usually has two cylinder heads, one at each end of the V, although Volkswagen, for instance, has recently produced a V6 where the angle between the cylinder banks is so narrow that it utilizes a single head. A boxer engine has two heads. | | :: Recommended Reading / Videos :: | | | |
| :: Recommended material containing aditional info about Cylinder Head :: |
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