Supreme Suspensions - Grand Cherokee WJ Lift Kit 2" Front + 2" Rear CNC Machined Delrin Spring Spacers with Procomp Shocks (Black) PRO FITMENT: 1999 - 2004 Jeep Grand Cherokee WJ (2WD 4WD). CONTENTS: (2x) High-Crystalline Delrin Front Spring Spacers, (2x) High-Crystalline Delrin Rear Spring Spacers, (4x) ProComp Extended Performance Series Shocks, Installation Hardware, Installation Instructions, and Supreme Suspensions Pro Pack. TECHNICAL NOTES: 2.5 inch front and 2.5 inch rear lift. Maintains factory ride quality. INSTALLATION: Easy 'bolt-on' installation takes 3 - 5 hours. No special tools are required. BENEFITS: Improves the look of your Jeep and increases ground clearance, allowing you to fit larger wheels and tires. Delrin has the highest tensile strength of any thermoplastic and does not compress under load. Upgrade your suspension with performance series shocks. *An alignment is recommended after install. **Please note that spacer thickness to lift height is not a 1:1 ratio. A Track Bar may be required if wobbling or wandering occurs. (2x) High-Crystalline Delrin Front Spring Spacers (2x) High-Crystalline Delrin Rear Spring Spacers (4x) ProComp Extended Performance Series Shocks Installation Instructions Supreme Suspensions Pro Pack