The Civic 2004 (4) 3dr Si (ka) Combination Switch consists of twenty-four pieces with the Lock Assy.,steeri being the most expensive.
On this parts fiche the Screw, Tapping 3x5 is the most specified component.
Some items from this specific schematic: Sw Assy,door, Holder, Column, Key Comp.,immobi., Screw,tapping 3x16.