In this schematic the "Bolt 6x20. Torx Eart" is used most often.
The Srs Unit is made up of components including this Unit Assy,srs which is the most expensive.
Parts such as the Srs Unit: Sensor Assy,front, Bolt 6x20. Torx Eart, Unit Assy,srs, Sensor Assy,front are included in the Civic 2004 (4) 4dr Lx (ka) Srs Unit parts fiche.