EIB3575520 / 3575.520 - Application Notes 1997-2003 F150 Std. Cab, 2WD, 6 Cyl. - PN96 Chassis (Front 0.8 in - Rear n/a) 1997-2003 F150 Ext. Cab, 2WD, 6 Cyl. - PN96 Chassis (Front 1.0 in - Rear n/a) 1997-2003 F150 Std. Cab, 2WD, V8 - PN96 Chassis (Front 1.3 in - Rear n/a) 1997-2003 F150 Ext. Cab, 2WD, V8 - PN96 Chassis (Front 1.5 in - Rear n/a) 1998-2002 Navigator, 2WD, W/Rear Air Suspension. (Front 1.6 in - Rear adj.) 1997-2002 Expedition, 2WD, W/Rear Air Suspension. (Front 1.6 in - Rear adj.) NOTE: May require Front Alignment Kit P/N 5.87385K, (Correction: +/- 2.0 Degrees)