JEEP WRANGLER 1997-2004 TJ/LJ FOX PERFORMANCE SERIES 2.0 IFP SHOCKS ( SET OF 4 - 2 FRONT, 2 REAR ) FRONT PERFORMANCE SERIES 2 x 980-24-643 3-4.5" TJ/LJ DIRECT BOLT IN 15.85 COMPRESSED 25.48 EXTENDED REAR PERFORMANCE SERIES 2 x 980-24-645 4-6" TJ/LJ DIRECT BOLT IN 15.70 COMPRESSED 24.81 EXTENDED 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 our race-proven damping control to provide a comfortable on-road ride and predictable offroad 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 valving provides the 2.0 Performance Series IFP shock a predicable ride quality capable of handling the roughest road conditions.