The most reasonably priced component used on the Cn250 Helix 1999 (x) Italy Gasket Kit A is the Washer C,8mm.
The sub assemblies and components that make up this Gasket Kit A include this Gasket Kit,a (nas), the most expensive part.
Some items from this specific schematic: Seal,valve Stem, Gasket,cylinder (nas), O-ring,13.8x2.5, Gasket,cylinder H (nas).