On this parts fiche the Nut Hex.,8mm is the most specified component.
Of all the components used in this assembly the Manifold,ex. is the most expensive.
Parts such as the E-3-1 Exhaust Manifold: Cover,hot Air, Pipe,hot Air, Bolt-washer,6x10, Bolt,stub 10x39.5 are included in the Civic 3d 1200 1980 4speed E-3-1 Exhaust Manifold parts fiche.