The Cylinder Head assembly is constructed from several parts from which the Head Assy,cylinde is the most expensive.
A sample from the products for the Cylinder Head include: Pin,dowel,8x20, Guide,valve (oute, Bolt,flange 6x48, Cover,starter.
The most reasonably priced component used on the Cb1300 2008 (8) Australia / Type 2 Cylinder Head is the Nut,square,5mm.