Depending on how handy you are, you could look into a set of 7" H4 headlights then somehow remove the lenses to fit just the reflectors in your housings. If you go with DOT housings there's a range of options from sealed beam to H4 to even projector and xenon/HID that fit standard 7" openings. Projectors on G500s (the SUV, not the jet) and latest Wranglers come to mind but they might not fit standard buckets. These are more affordable but...

https://www.amazon.com/Projector-Headlight-Chrome-H6017-H6024/dp/B01N24AJT5

Sixto
98 E320s sedan and wagon