Skyjacker JL45ERBKBLT 4.5" Suspension Lift Kit w/Shocks for 21-23 Wrangler JL

4.5 in. Suspension Lift Kit The biggest determining factors in ride quality and suspension performance are coil springs and shocks. Skyjacker specifically engineered a progressive 2-stage dual rate long travel coil. Spring rate progression is from a 1st Flex Rate to a 2nd Ride Rate. Aggressive Look. Unparalleled Performance. Impressive Ride. Black MAX Engineered with Advanced Foam-Cell Technology. Black MAX Has Nitrogen Gas Charged / Twin-Tube Construction. Black MAX Shocks Have 360 Degrees Arc-Welded End Mounts. Black MAX Valve Tuned Specific with 30 Percent More Fluid.