Skyjacker's new lift systems for the NEW Jeep Wrangler JL & Rubicon feature DUAL RATE-LONG TRAVEL coil springs designed specifically for the JL with Unique Left & Right Coil Spring Rates found in the OEM coils to ensure superb highway ride quality and performance on any terrain - whether on-road or for off-road use. The DUAL RATE-LONG TRAVEL coil springs offer the best of both worlds from the street to the trail! The 1st spring rate offers an exceptional highway ride AND the coils will expand when off-roading during articulation as the suspension droops to keep the tires in contact with the ground much longer than a single rate coil. This results 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. This second rate allows consistent control and stability during body roll and heavy off-road suspension movement. Systems feature extended sway bar end links which allow for full droop & long travel as well as bump stop extensions to make sure the suspension clears the tires at bump. Long travel front and rear shocks are length fitted to offer the maximum extension allowable for full articulation to complete this total package. Choose your preference from either M95 Monotube or Black Max Front and Rear Long Travel shocks for proper suspension and ride control of the new Wrangler JL. This product ships in approximately 1 days