what size or what do i need to do to HID my headlights having high and low beam. what size projectors and how do i retro fit them??

 

they sell a high beam low beam kit for h4 bulbs...thats what you need for eg.

 

Try searching
https://honda-tech.com/zerothread?id=574577
https://honda-tech.com/zerothread?id=503542
https://honda-tech.com/zerothread?id=495898
https://honda-tech.com/zerothread?id=683685
https://honda-tech.com/zerothread?id=501058
https://honda-tech.com/zerothread?id=612520
https://honda-tech.com/zerothread?id=622672
https://honda-tech.com/zerothread?id=640997
Its not like there arent enough in this forum already if you read sometime you might learn
Up at the top of the page is a search button
ITS RED YOU CANT MISS IT
and in the http 92-00 Civic Del Sol thread list there is a faq and DIY archive go through it and dont make threads like this please they arent neccesarry