Of all the components used in this assembly the Regulator-voltage is the most expensive.
The Screw-pan-cros is the most widely applied product in the KZ650B1 1977 USA CANADA / MPH KPH IGNITION/REGULATOR/RECTIFIER ( nine times ).
A sample from the products for the Ignition/regulator/rectifier include: Washer,breaker Govern, Screw-pan-cros, Regulator-voltage, Wire-lead,magnetic Sw.