This Head,cylinder is the most expensive of the items that make up this Cylinder Head assembly.
On this parts fiche the Bolt,socket,6mm is the most specified component.
Parts such as the Cylinder Head: Bolt,stud,6x28, Washer Sealing, Rubber,oil Seal, Guide,inlet.valve are included in the Xl125s 1981 (b) Belgium / Kph Cylinder Head parts fiche.