Featured Technology & Benefits Coil springs designed to give a full 4" of lift while maintaining a factory style ride. Our coils are 2door/4door specific, so be sure to select the proper application. A front adjustable track bar is included to properly center the front axle Cam washers are included to correct front end alignment Rear extended sway bar links are included. These links come with urethane bushings to increase performance and reduce body roll. The factory rear links are then used in the front. A rear track bar relocation system is included to perfectly center the axle under your JK 2" bump stop extensions are included to protect your vehicle while still increasing wheel travel Brake line relocation brackets are supplied to allow for the dramatic increase in wheel travel New Zone front and rear shocks are included that are valved specifically for your JK Quick Specs Front Lift Height: 4″ Front Lift Method: Coil Springs Rear Lift Height: 4″ Rear Lift Method: Coil Springs Install Time Hrs: 4-5 Difficulty Level 1-5: 2 Wheel Size: 16 x 8 Back Spacing: 4.5″ Max Tire Size: 35 x 12.50