The lowest price component in this Oil Cooler parts-list fiche is the Bolt,flg,soc,6x28.
Some items from this specific schematic: Pkg,oil Cooler (nas), Pipe Comp.,r Oil, Plate,oil Pipe Se, Cooler Comp,oil.
With all the components that make up the CB450S 1988 (J) GERMANY 27P OIL COOLER assembly. The Bolt,flg,soc,6x28 is the most frequently specified with four applications.