Quick question about a retrofit...

[projektvertx]

Ok so I am well on my way into my retrofit for my gen 3.5. I purchased the headlights from a fellow TN member, nevenerviss, really great guy, props... I will start sanding my stock lenses this weekend, for which I will try to take as many picks of and post on a thread...And I managed to find a TSX D2S projector kit that includes the following:
-Projectors
-Ignitors
-Inverters
Other than the bulbs and bulb holders, what else would I need to acquire in terms of major parts? Thanks in advance...

[TMetalMan]

You'll also need a relay harness of some sort with fuse protection.

[projektvertx]

Another question... and sorry if I sound like a complete idiot asking this but I really wanna know... Would it be possible to fit a D2S Bulb into a D4S projector, changing the ballast/ignitor apropriately???? This has really been confusing me... I tired searching with no luck...