The Crankshaft - Piston assembly is constructed from several parts from which the Crankshaft Comp. is the most expensive.
On this parts fiche the Bolt.,conrod is the most specified component.
A sample from the products for the Crankshaft - Piston include: Clip,pistonpin 21, Ring,piston(0.25), Piston,l.(0.25), Brg.f,conn.rod*pink.