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 LAND ROVER DEFENDER 90 DISCOVERY RANGE ROVER 25TH ANNIVERSARY EDITION 50TH ANNIVERSARY EDITION BASE COUNTY COUNTY CLASSIC COUNTY LWB COUNTY SE GREAT DIVIDE HSE HUNTER LE LSE S SD SE SE7 SERIES II SERIES II LE SERIES II SD SERIES II SE SPORT XD 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 3.9L (239) 4.2L (4200cc) 4.6L (4554cc) 4L (3950cc) GAS Firestone Ride-Rite Firestone Ride-Rite Coil-Rite Rear Air Helper Spring Kit - 4121 4121 Suspension Load Leveling Kit