The component with the lowest price in the CRANKCASE schematic is the Pin,dowel,10x8.2x14.
Some items from this specific schematic: Receiver-oil, Bushing,12x20x20, Receiver-oil, Nut,6mm.
The S1b Mach I 1974 Usa Canada Crankcase consists of thirty-one pieces with the Crankcase Set being the most expensive.