The lowest price component in this Cylinder Head (vtec) parts-list fiche is the Pin, Dowel 10x12.
Parts such as the Cylinder Head (vtec): Bolt,stud,2 8x25, Gasket, Cyln Head (nas), Seal A,valve Stem, Shaft In, Rocker are included in the Civic 1999 (x) 4dr Ex (ka) Cylinder Head (vtec) parts fiche.
On this parts fiche the Guide In Valve (0sz) is the most specified component.