Supreme Suspensions - GMC Jimmy S15 Leveling Kit 2" Rear Steel Lift Shackles Suspension Lift 4x2 4x4 PRO FITMENT: 1983 - 2005 GMC Jimmy S-15 (2WD 4WD). CONTENTS: 2x Rear Carbon Steel Shackles, Installation Hardware, Installation Instructions and Pro Pack. INSTALLATION: Easy 'bolt-on' installation takes 1 - 2 hours. No special tools are required. TECHNICAL NOTES: Designed to lift your ride 2 inches. Maintains factory ride quality. BENEFITS: Improves the look of your vehicle and increases ground clearance, so you can fit larger custom rims and tires. Factory shocks can be reused. (2x) Rear Carbon Steel Lift Shackles Installation Instructions Supreme Suspensions Pro Pack