The Washer(8.5x23x1.2) is the cheapest item from this partsfiche.
Parts such as the Oil Cooler: Clamp, Cushion,oil Cooler No.2, Gasket(16x22x2) (nas), Cushion,oil Cooler No.1 are included in the Gsxr750 1987 (h) (e01 E02 04 06 15 16 17 18 21 22 24 25 34 39 53 Oil Cooler parts fiche.
This OIL COOLER assembly utilises eight Gasket(16x22x2) (nas)(s) - the highest specified component.