With six applications this Nut,flange,8mm is the most specified part.
Parts such as the Exhaust Manifold-air Injection Air Pump: Nut,special, Bolt,flange,8x25, Guide,hot Air B, Nozzle,air Inj A are included in the Civic 1979 (z) 2dr1200 (ka) Exhaust Manifold-air Injection Air Pump parts fiche.
The Honda EXHAUST MANIFOLD-AIR INJECTION AIR PUMP has twenty-six products enlisted in the schematic.