Regarding the lighting, you'll need to adapt the zenki H4 clips to H1. Both set of headlights I had came w/ the wiring so I just cut the original zenki wiring and spliced/diced. They are not HID.

Here are step-by-step install instructions which helped me:

1. http://www.240sxforums.com/forums/showthread.php?t=5406

2. http://www.zilvia.net/faqs/archive/koukiconversion.asp

Jesse