Rough Country - 681S - 4-inch Suspension Lift System w/Premium N3 Shocks for Jeep: 07-18 Wrangler Unlimited JK 4WD FEATURES: Easy bolt-on installation; Increased ground clearance; Coil correction plates correct the rear coil spring angle by 10 degrees, allowing them to function more effeciently NOTES: Does NOT fit 2-door models.; 2012-up models require exhaust modifications to clear the front driveshaft. (#1030) - Available below or here; On Automatic equipped vehicles; due to use of an oversize driveshaft from the factory and inadequate factory clearance it may be possible for the front driveshaft to come in contact with the automatic transmission pan tearing the factory boot and rubbing on the shaft. Generally this occurs during heavy articulation KIT CONTENTS: FRONT: Lifted coil springs, Track bar drop bracket, Pitman arm, Brake line relocation brackets, Shock relocation brackets, Cam bolts, Hardware; REAR: Lifted coil springs, Extended sway-bar links, Coil correction plates, Track bar drop bracket, Brake line relocation brackets, Hardware; SHOCKS: (4) Premium N3 Shocks SPECS: SKU: 681S; SPECS: Est. Install Time: 4-5 hours; Recommended Tire Size: 35x12.50 R17; Recommended Wheel Backspacing: 4.5-in - 4.75-in FITMENT: 2007-2018 4WD Jeep JK Wrangler Unlimited; 4-door models ONLY