On this parts fiche the Nut,hex.,8mm is the most specified component.
Parts such as the Front Shock Absorber: Seal B,dust, Spring Front, Nut,hex.,8mm, Rubber,upper Seat are included in the Civic 1977 2dr1200 (ka) Front Shock Absorber parts fiche.
The Honda FRONT SHOCK ABSORBER has seventeen products enlisted in the schematic.
