I started with the ZZP Halogen/HIDs. I live in the boonies and use highs to spot deer and moose. The halogen part was simply useless. I then purchased the telescopics and made them into tilters (or at least really close) to get a high beam. Since I have the ZZPs in hand I can tell you that there is no physical way to get them close to the specifications of the 9007/9004 lamp with regards to vertical spacing. You may get them stacked, even then the distance will be way off and you will have to sacrifice the beam pattern in high or low position. Not trying to be glass MT here, but at least you won't be bumming when you get them and they are not as expected.