A sample from the products for the Oil Pan/oil Pump include: O-ring 13x3.0, O-ring,17x3, Bolt,flange,6x28, Pump Assy.,oil.
nineteen components are shown in this Cbr600f Hurricane 1987 (h) England / Mkh Oil Pan/oil Pump exploded diagram.
On this parts fiche the Bolt,flange,6x28 is the most specified component.