Ok, i have now more info too. These should be okay and almost straight fit to -67 fenders, just need to weld small bracket for bottom screw to the bucket.
http://www.ebay.de/itm/Scheinwerfer-...-/171227198385
I think there is sort of oem headlights for sale and these marelli / bosch versions. Later ones are usually 430-500€ / pair.
Here these are much more expensive, dont know if the brand is same:
http://www.porscheshop.co.uk/acatalo...11_lights.html
http://www.design911.co.uk/fu/pt70_1...Headlamps-LHD/
Yeah, 911 looks better without that visible bolt attachment like on -67 beetle style headlights.