You can find the original air cleaner and mount bracket at:CruiserParts.net, Toyota Landcruiser Parts
They might have the distributor too.
A '65 would have a single barrel Aisen with an oil bath air cleaner. Don't be detered from the oil bath cleaner - they work better than paper filters but can be messy to service until you get a good plan for doing it. Mostly all you need to do is keep the oil level in it to the line.
Super helpful. Thanks Honk!