Rough Country - 1113 - Rear Coil Spring Correction Plates for 3.5-6-inch Lifts for Jeep: 07-18 Wrangler JK 4WD, 07-18 Wrangler Unlimited JK 4WD FEATURES: Easy bolt-on installation; Corrects the rear coil angle 10 degrees; Allows coil springs to function more efficiently NOTES: Recommended for use with 3.5in - 6in suspension lift kits. KIT CONTENTS: Rear coil correction plates SPECS: SKU: 1113; SPECS: Est. Install Time: 2-3 hours FITMENT: 2007-2018 4WD Jeep JK Wrangler; 2007-2018 4WD Jeep JK Wrangler Unlimited; 2007-2018 2WD Jeep JK Wrangler Unlimited