Developed from our off-road race shocks, FOX Performance Elite Series combines race-proven technology with new, cutting-edge features to provide all the adjustability and capacity needed to take on serious off-roading in your Jeep. Kit: 18-ON Jeep JL; Rear; 2.5 Truck FRS; P/B; 12.9; 4.5-6in. Lift; DSC Jeep Wrangler JL: 2018 - 2020.