Talk to Jon_To here. 5000k will have the highest light output, 6000k will have a little bit of blue, and 8000k will be blue. You have 4 bulbs for your heads I believe, and the low beams and high beams are different bulbs. So you'll have to figure out which ones you want HIDs in and order that kit, or 2 seprate kits for both. I would just order HIDs for the high beams, when you turn on the highs the lows stay on anyways.