A sample from the products for the Radiator(vf400ae520628∼) include: Bolt,6x22, Gasket,water Pump Cov (nas), Nut, Clamp.
This schematic depicts all components used in the Kvf400-b1 Prairie400 1998 Usa California Canada Radiator(vf400ae520628∼) partslist.
On this parts fiche the Bolt-flanged,6x25 is the most specified component.