Parts such as the Cylinder/cylinder Head: Bolt,flange,6x95, Gasket,cylinder (nas), Spark Plug (br4hs, Gasket,cylinder H (nas) are included in the Sfx50 2001 (1) England Cylinder/cylinder Head parts fiche.
Check out any of the twelve Cylinder/cylinder Head components enlisted.
In this schematic the "Bolt,flange,6x95" is used most often.