The Bolt,8x25 is the lowest priced item on this Oil Cooler schematic.
Parts such as the Oil Cooler: O Ring,65mm, Bolt,8x25, Cooler-oil, Hose-cooling,w/p-oil are included in the Zx1000c2 Ninja Zx10r 2005 Usa California Canada Oil Cooler parts fiche.
The Kawasaki OIL COOLER has eight products enlisted in the schematic.