Parts such as the Crankcase Set: Olifice,oil Contl, O-ring,24-15, O Ring, 8x1.5, Bolt,flg., 10x120 are included in the Cb400ti 1978 Canada Crankcase Set parts fiche.
The Bolt,flange,6x28 is the lowest priced item on this Crankcase Set schematic.
In this schematic the "Dowel,pin,12x20" is used most often.