Coil-Rite Rear Air Helper Spring Kit System Type:In Coil;Load Capacity:500 lbs per pair;Bag/Spring Type:Coil Type Bag;Installation Type:No Drilling Required;Inflation Method:Manual Inflation;Optional Compressor and Gauges sold separately;Height Sensor Optional or Included?:Not Compatible;Lift kit compatible?:No KIA SORENTO BASE EX LX 2003 2004 2005 2006 2007 2008 2009 3.3L (3342cc) 3.5L (3497cc) 3.8L (3778cc) GAS Firestone Ride-Rite Firestone Ride-Rite Coil-Rite Rear Air Helper Spring Kit - 4153 4153 Suspension Load Leveling Kit