1.2 CYLINDER HEAD 1.2 CYLINDER HEAD The Series 60 cylinder head combines intake and exhaust valve porting and fuel injector seats with water jacketing to cool the ports, injectors and combustion chamber area. See Figure 1-20. Figure 1-20 Cylinder Head Assembly and Mating Components With the overhead camshaft design, the cylinder head assembly includes: Cylinder head Valve and injector operating mechanism Injector, valve guide and related parts Camshaft and camshaft bearings (Rev. 2005) All information subject to change without notice. 1-30 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION