Of all the components used in this assembly the Cylinder Head Assy is the most expensive.
Some items from this specific schematic: Washer, Plate(3tj), Gasket, Cylinder Head 1 (nas), Plug, Spark (r Cr9e), Plug, Spark (u27esr-n).
This CYLINDER HEAD assembly utilises twenty-four Bolt, Washer Based(1hx)(s) - the highest specified component.