The Gasket 8.2x14x1 (nas) is the cheapest item from this partsfiche.
The most expensive part in this assembly is the Cylinder.
Parts such as the Cylinder: Clamp,oil Hose Crankcase, Washer(10x15x1.5), Union, Stud are included in the Gsx550e 1984 (e) (e01 E06 E16 E17 E18 E21 E24 E25 E26 E34 E39) Cylinder parts fiche.