Cylinder Head Assy C110 - Product Details Cylinder Head Assy C110 Product Gallery In an internal combustion engine, the cylinder head sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, sealed by a head gasket. This critical component provides space for the passages that feed air and fuel to the cylinder and allow exhaust gases to escape, ensuring efficient engine operation. Ensures proper sealing of the combustion chamber Facilitates