The lowest price component in this Crankcase Bolt Pattern parts-list fiche is the Gasket,6.5x12x1.0 (nas).
A sample from the products for the Crankcase Bolt Pattern include: Gasket,6.5x12x1.0 (nas), Bolt, Bolt,8x72, Bolt,6x135.
Of all the components used in this assembly the Bolt,8x90 is the most expensive.