twenty-four components are listed in the schematic for this Vf500f Interceptor 1986 (g) F-28 Wire Harness - Ignition Coil .
On this parts fiche the Collar,ign.coil is the most specified component.
The F-28 Wire Harness - Ignition Coil assembly is constructed from several parts from which the Reg.rect.assy. is the most expensive.