Cylinder head construction

摘要

A cylinder head for an internal combustion engine that includes an upper head portion and a lower head portion provided with a valve train and in which the lower head portion is integrally formed with a pair of laterally spaced upwardly extending side walls. One of the side walls is integrally formed with an air intake manifold which communicates with an air intake passage located in the lower head portion via an air inlet port a portion of which is formed in the side wall incorporating the manifold so as to permit the intake passage to be nearly straight and devoid of any severe bends.