The component with the lowest price in the CRANKCASE ('74-'75) schematic is the Pin-dowel,8x16.
Check out any of the thirty Crankcase ('74-'75) components enlisted.
A sample from the products for the Crankcase ('74-'75) include: Oil Seal Sb12205, Stud,8x115, Plate-position, Crankcase,rh,flat Black.