The Cylinder Head (sohc) assembly is constructed from several parts from which the Head Assy,cyln is the most expensive.
Parts such as the Cylinder Head (sohc): Bolt, Flange 6x50, Seal B,valve Stem, Guide In Valve (0sz), Seal A,valve Stem are included in the Civic 1999 (x) 4dr Dx (ka) Cylinder Head (sohc) parts fiche.
On this parts fiche the Guide In Valve (0sz) is the most specified component.