Cylinder Head
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
The cylinder head is a semi-permanent mold aluminum casting. Pressed-in powdered metal valve guides and valve seat insets are used. The fuel injection nozzle is located below the intake port. The cylinder head incorporates camshaft journals and camshaft caps.