The lowest price component in this Crankshaft / Piston parts-list fiche is the Clip,piston Pin.
The Crankshaft / Piston is made up of components including this Crankshaft Comp. which is the most expensive.
Some items from this specific schematic: Ring,set (0.25), Brg Radial,ball, Ring,set (std), B/brg Rad N/com.