ive looked all over, searched the forums but i only found bulb size for jdm one pieces, are the ebay ones the same h4h bulb.
this for example
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=150382664786
http://g2ic.com/forums/showthread.php?t=161233
some auctions actually state which bulb the headlight takes
My friend has those type of lights on his mustang… its pretty brutal for lighting, just fyi.