This CRANKSHAFT/PISTON(S) assembly utilises two Nut,12mm(s) - the highest specified component.
A sample from the products for the Crankshaft/piston(s) include: Bearing-big End, Crankshaft-comp, Ring-set-piston, Spacer,22.2x37x1.0.
The component with the lowest price in the CRANKSHAFT/PISTON(S) schematic is the Circlip-type-e,8mm.