Supreme Suspensions - Titan Drop Kit 2.5" Rear Suspension Lowering High-Strength Carbon Steel Nissan Titan Leveling Kit (Black) PRO FITMENT: 2004 - 2015 Nissan Titan CONTENTS: 2x High-Strength Carbon Steel Drop Shackles, Installation Hardware, Installation Instructions and Pro Pack. INSTALLATION: Easy 'bolt-on' installation takes 1 - 2 hours. No special tools are required.