Supreme Suspensions - Jeep Grand Cherokee ZJ Transfer Case Drop Kit 4WD 4x4 PRO FITMENT: 1993 - 1998 Jeep Grand Cherokee ZJ (4WD) CONTENTS: 4x High-Crystalline Delrin Transfer Case Drop Spacers, Installation Hardware, Installation Instructions and Pro Pack. DETAILS: Each spacer is constructed from High Density Delrin for its excellent strength-to-weight ratio and resistance to corrosion. These Delrin spacers are rated with a compressive strength of 16,000 psi and will last the life of your vehicle. Precision machining ensures an exact fit for every application. INSTALLATION: Installation is easy and takes approximately 1 hour. Maintains factory ride quality. BENEFITS: Maintains driveshaft alignment. Repositioning the transfer case prevents driveline wear and eliminates vibrations. *<span class="a-text-italic">An alignment is recommended after installing any kit that alters strut geometry.</span> (4x) High-Crystalline Delrin Transfer Case Drop Spacers Installation Hardware Installation Instructions Supreme Suspensions Pro Pack