4.5 In Lift 84-01 Cherokee XJ W/Front DR/LT Coil Springs Pitman Arm Bump Stop Spacers Lower and Upper Adjust Control Arms Front Sway Bar End Links Adjust Track Bar Brakelines Shackles U-bolts Rear Leaf Springs Black Max Shocks Skyjacker4. 5 Inch Lift XJ Dual Rate Long Travel coil springs expand during articulation as suspension droops to keep the tires in contact with the ground much longer than a single rate resulting in a smoother ride while maintaining the coil in the upper coil bucket even at full droop. The 2nd rate (lower coils) only engage after compression past the 1st rate for consistent control and stability during body roll and heavy off road suspension movement. Kit