Supreme Suspensions - Grand Cherokee ZJ Front Adjustable Upper Control Arms High-Strength Carbon Steel Kit (Black) PRO FITMENT: 1993 - 1999 Jeep Grand Cherokee ZJ (2WD 4WD). CONTENTS: 2x Carbon Steel Adjustable Front Upper Control Arms, Installation Instructions, and Pro Pack. TECHNICAL NOTES: Engineered to compensate front axle pinion angle on vehicles with up to 8" of lift. High-strength carbon steel and pre-loaded with high-density polyurethane bushings for maximum durability. INSTALLATION: Easy 'bolt-on' installation takes 2 - 4 hours. No special tools are required. BENEFITS: Adjustable control arms optimize front axle alignment and prevent unwanted vibrations. Features high-density polyurethane Bushings for extra endurance Performance proprietary dual layer coating to protect against rust and corrosion Built from heavy duty tubular carbon steel to withstand any road or off-road conditions (2x) Carbon Steel Adjustable Front Upper Control Arms Installation Instructions Supreme Suspensions Pro Pack