The TeraFlex JL 4dr: 3.5in Coil Spring Base Lift Kit includes just the basic lift components only and doesn’t have the drivability of a full suspension system. Requires front control arm Sport Frame Bracket Kit, or longer front lower control arms, or adjustable control arms, and/or an adjustable front track bar to correct suspension geometry. Does NOT include shocks. We recommend Falcon Performance SP2 Mode Adjust Shocks or TeraFlex 9550 VSS Twin-Tube Shocks. These are the only shock absorbers engineered to work with TeraFlex lift coil springs to improve both compression and rebound for optimal vehicle stability. 3.5in Coil Spring Base Lift Kits are offered with TeraFlex 9550 VSS Twin-Tube Shocks or without shock absorbers. Falcon Performance Shocks are available separately.