twenty-seven components are shown in this Gsx600f Katana 1991 (m) Usa (e03) Cam Shaft - Valve (model J/k/l/m) exploded diagram.
Of all the components that make up this Cam Shaft - Valve (model J/k/l/m) the Washer, Lower has the lowest price.
In this schematic the "Cotter Valve" is used most often.