The lowest price component in this Gasket Kit A(cb13008/s8/a 8/sa8) parts-list fiche is the Wash,sealing,6mm.
Some items from this specific schematic: Gasket,cylinder (nas), Gasket,tensioner (nas), O-ring,19x3, Washer O-ring Kit.
The most expensive part in this assembly is the Gasket Sheet Kit, (nas).