These were something I was looking at
http://www.ebay.co.uk/itm/9W-LED-Eag...Ds3VPHgXIRGEyQ
Not necessarily from this seller, but 1st one I found to give you an idea.
Quite small but seem to be quite bright, and might in fact (with a suitable hole) fit alongside the existing fog lights on a 75 or ZT