Improve the ride quality and handling of your Jeep Wrangler JK with JSPEC 2.5"-3.5" lift rear gas shocks. JKS JSPEC shocks are custom-designed to work in conjunction with a lift kit and oversized tires. The affordable steel-body, twin-tube shocks are specifically tuned to our JKS springs for amazing performance and ride quality. JKS rigorously tests its shocks to develop specifical valving for your model of Jeep -- especially when used as part of a matched JKS suspension system. Improve your driving experience with JKS JSPEC. Direct bolt-on replacement. Rear position. Sold Individually.