Installed on my 1993 F150 4x4. Fits without problems, but the lower support profile differs from the stock springs. I measured my bumper before and after and the bumper went up 3 inches, should have 2 inches of spring sag and 1 inch of new springs (the forums say they are basically 1 inch balance springs). The camber got a bit more aggressive after leveling out, but after 500 miles of tire wear I didn't notice any issues. Beware, they can cause other problems - I feel the same way with new ball