Part Numbers 985-24-023 and 985-24-024 Set of 4 Shocks for vehicles w/4-6" front lift and w/4-6" rear lift Fits 4WD vehicles Shock boots & Roost Shields sold separately. All necessary washers, bushings, reservoir clamps, and nuts included. Factory shock mounting bolts are reused for installation. Mounting plates sold separately. Fox's limited one (1) year warranty protects against defects and premature failure. The 2.0 Performance Series IFP smooth body shocks contain the latest in shock technology to transform the performance of your Truck or SUV. They use race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions. The precision metal impact aluminum body increases cooling capacity and will never rust. Inside you will find our race-proven performance valving technology Our Internal Floating Piston (IFP) mono-tube design separates the shock oil from the high-pressure, nitrogen-charged gas chamber. The IFP eliminates oil aeration allowing maximum performance from the factory-tuned precision valving. The race developed high flow damping piston matched with application specific vavling provides the 2.0 Performance Series IFP shock a predictable ride quality capable of handling the roughest road conditions.