Of all the components used in this assembly the Head-comp-cylinder is the most expensive.
Parts such as the Cylinder Head: Gasket-head (nas), Pipe,oil,rh, Pin,dowel,6.2x8x14, Guide-valve are included in the En450a4 Ltd450 1988 Europe Uk Ar Fg It Nr St / Liquid Cooled Cylinder Head parts fiche.
The lowest price component in this Cylinder Head parts-list fiche is the Pin,dowel,6.2x8x14.