Jeep 4" JK Wrangler Unlimited Full Suspension Lift kit Zone Offroad 4 Door w/Black Nitro Shocks FITMENT: 2007-2016 Jeep Wrangler JK 4WD Gas 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 Important Notes: This system works for all 2 door, 4 door Jeep JK models including Rubicon models. Factory wheels cannot be re-installed due to rear sway bar link interference. 2012-14 models using the stock front drive-shaft require exhaust extension kit J5305 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