Extreme-Duty Long Arm Upgrade

The Super-Flex Suspension System is designed for enthusiasts looking for the best short arm suspension system that retains the factory mounting locations. The Super-Flex system features great ride quality and phenomenal performance. Features include new Rubicon Express adjustable upper and fixed lower control arms with our serviceable Super-Flex spherical ball joints, replacement lift springs, extended bump stops, longer front and rear stainless steel brake lines.The 3.5” suspension will allow the use of 35” tires & the 4.5” suspension will allow the use of 37” tires. Driveline modifications may be required.
  • Applications:

  • *Shocks listed are recommended mono-tubes and are sold separately unless otherwise specificed

Part #YearModelLiftDescriptionFront ShocksRear ShocksMax TireRecommended WheelImportant Information
RE73332007-2018JK WranglerExtreme Duty Long Arm Rear 3-Link Suspension Upgrade Kit9" W, 3.75-4.25" B.S.
Important Info