Some items from this specific schematic: Nut,flange,8mm, O-ring,7.45x3.61, Stay B,eng Harn, Bolt,flange,8x20.
This Intake Manifold diagram displays the required parts for the Civic 2004 (4) 3dr Si (ka) Intake Manifold.
The lowest price component in this Intake Manifold parts-list fiche is the Nut,flange,8mm.