Answer:
Suspension: Front forks and shocks are made by Showa, a company owned by Honda. HD has been using Japanese parts since 1972!
Electrical system: Starter, alternator, wiring harness, gauges, handle bar switches are made by Nippon Denso (ND)
Brakes: Calipers and master cylinders are Nissin.
Carburetors are made by Keihin, another Honda owned company.
So if your Harley stops, goes, or lights up at night thank the Japanese...