Regular lifts are spindle lifts. Spindle lifts are a lot cheaper on a 2wd because pretty much all you need are the spindles. On a 4x4 you need the spindles, plus brackets and skid plates to move the front differential down so you keep good cv-joint angles. Also brackets to lower the torshion bars.
2003 F150 Xlt FX4 XCab, Reman 5.4, Pacesetter long tubes & off road y-pipe, Borla XR-1
, Power Stop Drilled & Slotted Rotors, 17x9 DC2s with 265/70R17s, Lightning Headlights with FX-R projectors and 55w 5000k HIDs, Leds all around