Parts such as the E-18 Piston: Nut Conn Rod, Brg.b,2&4 Conn., Brg.d,2&4 Conn., Conn-rod Assy. are included in the Gl1200l Goldwing Limited Edition 1985 (f) E-18 Piston parts fiche.
The sub assemblies and components that make up this E-18 Piston include this Conn-rod Assy., the most expensive part.
In this schematic the "Nut Conrod" is used most often.