The most reasonably priced component used on the Cb600f Hornet 2008 (8) European Direct Sales / Type 2 Cylinder Head is the Nut,square,5mm.
A sample from the products for the Cylinder Head include: Bolt Stud 8x24, Plug,spark(cr9eh9, Dowel,pin,10x16, Cover,starter.
The Cylinder Head assembly is constructed from several parts from which the Head Assy,cylinde is the most expensive.