The DYNATRAC 2018-2023 Jeep Wrangler JL 2.5" coil springs are designed for drivers demanding the ultimate in performance and ride quality, while allowing for increased wheel travel (when used with DYNATRAC shocks) and the fitment of larger tires. The DYNATRAC Jeep Wrangler JL coil springs provide 2.5" of lift height (based on a factory equipped 4-door Rubicon JL) and feature a dual rate design. The dual rate design allows for a softer initial rate for superb on road comfort and a firmer secondary rate that increases during compression for excellent bottoming resistance and off-road performance.