Supreme Suspensions - GMC Envoy Yukon 1500 1.5" Rear Billet Spacers Suspension Leveling Lift Kit 4x2 4x4 (Black) PRO Designed to Lift and Level your Rear End 1.5 Inch CNC Machined from Solid Blocks of T6 Aircraft Aluminum Installation Instructions Included All Required Components Included Maintains Factory Ride