The lowest price component in this Gasket Kit B parts-list fiche is the Washer,plug,drain 12.
Parts such as the Gasket Kit B: Washer,sealing,6., O-ring,14.8x2.2, O Ring,48.1x3.6, Washer,neutral are included in the Cb600f Hornet 2007 (7) European Direct Sales / Type 2 Gasket Kit B parts fiche.
Of all the components used in this assembly the Gasket Kit,b (nas) is the most expensive.