The component with the lowest price in the F-1-1 schematic is the Screw-washer,5x12.
The F-1-1 assembly is constructed from several parts from which the Speedometer Assy (jdm) is the most expensive.
A sample from the products for the F-1-1 include: Bolt Flange 8x20, Packing,lens, Socket Comp (jdm), Bulb,wedge Base.