Of all the components used in this assembly the Crankshaft-comp is the most expensive.
A sample from the products for the Crankshaft/piston(s) include: Nut,connecting Rod, Ring-snap, Bushing,con-rod,brown, Ring-set-piston.
This CRANKSHAFT/PISTON(S) assembly utilises eight Nut,connecting Rod(s) - the highest specified component.