... 9004-1, 9005, 9006, 9007-1, with 2 ballasts and installation clamps.Hi-lo Beam : H4-2, 9004-2. 9007-2 ... and halogen bulb for high beam, with 2 ballasts and installation clamps.Telescopic Kit : H4-3, 9004-3, 9007-3 ... between high beam and low beam, with 2 ballasts and installation clamps.Bi-xenon Kit : H4-4, 9004-4, 9007 ... for high and low beam, with 4 ballasts and installation clamps. HID xenon ballast