Of all the components that make up this Crankshaft & Piston the Nut(2rh) has the lowest price.
The Crankshaft & Piston is made up of components including this Crankshaft Assy which is the most expensive.
Some items from this specific schematic: Washer, Plate(4gy), Circlip (1l9), Pin, Crank 1, Pin, Clevis(30x).