The rancho 4" is actually about 5.25" lift. The fabtech requires much more work to put in than say for instance a 6" trailmaster in my opinon.
02\' GMC 2500HD DURAMAX 4 Door,285 BFG Mudders, Neostyle tailights Clarion DVD player, 2 clarion monitors, 3-Lighting Audio 10\'s<br />1-Rockford 800,1-Rockford 250a<br />Alpine component system ,Blue Neon underbody Kit,Kennedy headlight booster kit, Astrostart Remote Start, 60 gal. Aux. fuel tank tool box combo, Steelmark cowl induction Hood, Painted Grill w/billet insert, Sirius Sat. Radio, K40 Radar Detector W/ Hidden sensor, Ryno Liner<br />Huskey Floor Mats, 60\" Line Of Fire LED Light Bar, APC