The Gasket Kit B assembly is constructed from several parts from which the Gasket Kit,b (nas) is the most expensive.
Parts such as the Gasket Kit B: Gasket,oil Cooler (nas), O Ring,48.1x3.6, O-ring 18x3, O-ring C Case are included in the Cb600f Hornet 2003 (3) France Gasket Kit B parts fiche.
With four applications this O Ring,17.3x2.4 is the most specified part.