This 5 3/4″ Bates headlight has a H4 fitting. Clean headlight for your project.
The Bates-style headlights come in different colors and are bottom-mounted.
These will not work with universal headlight brackets on the fork legs (lamp-oren), and you will probably have to make a bracket to make these work on your project.
The black and chrome are Euro 39,95. the one with copper ring is Euro 59,95