Any Autoparts shop that can get Bosch parts should your source. The Electrical bits ran for many years of Chev and even Toyota engines and are much easier to find than Ford Sidevalve! They may not be on the shelf nowadays, but could be ordered in. Take a list to swapmeets and stock up when you find it.
Points: Bosch GD44
Rotor: Bosch GD85
Dis cap: Bosch GD86
Condensor: Bosch GD11E
Spark plugs might be harder: AC44, NGK B6S, Champion J8C
You won't like my 6v battery.