HID ballast and relay questions
 

I have a pair of Raptor 55w standard size ballasts from DDM tuning that I used in my Cobalt. I want to use them in my v6. Obviously I'm going to need new bulbs and a harness, but are all ballasts universal? I'm going to get the relay harness from retro solutions because I have drls. I'm hoping I don't have to get a completely new kit.

Also, the ballasts are pretty big. About the size of an 8 track tape (if anybody knows what that is lol) Hope it'll fit!

UPDATE: I found a place where they'll fit, and I'm also very pleased to see that I don't have to remove the housings, like I had to do with my last one.