Parts such as the Exhaust Manifold: Gskt, Exh Mnfld (nas), Stay,mnfld Conver, Sensor,rr Oxygen, Cover,converter F are included in the Civic 1998 (w) 4dr Lx (ka) Exhaust Manifold parts fiche.
This Exhaust Manifold diagram displays the required parts for the Civic 1998 (w) 4dr Lx (ka) Exhaust Manifold.
On this parts fiche the Nut,flange,8mm is the most specified component.