A sample from the products for the Crankcase Cover 1 include: Bolt, Small Flange, Pin, Dowel(6g8), Grommet, Bearing, Cylindrical (22f).
In this schematic the "Bolt, Flange(4kg)" is used most often.
Of all the components that make up this Crankcase Cover 1 the Bolt, Small Flange has the lowest price.