Supreme Suspensions - Jeep Wrangler JK Lift Kit Full 2" Front + 2" Rear High-Strength Carbon Steel Coil Spacers + Shock Extenders (Black) PRO FITMENT: 2007 - 2018 Jeep Wrangler JK (2WD 4WD). CONTENTS: 2x High-Strength Carbon Steel Front Lift Spacers, 2x High-Strength Carbon Steel Rear Lift Spacers, 2x Shock Mount Extenders, Installation Hardware, Installation Instructions, and Pro Pack. TECHNICAL NOTES: 2 Inch Front Lift and 2 Inch Rear Lift. INSTALLATION: Easy 'bolt-on' installation takes 2 to 3 hours. No special tools are required. BENEFITS: Improves the look of your Jeep and increases ground clearance, allowing you to fit larger custom rims and tires.