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JRC01 - Rear Axle Timbren SES Suspension Upgrade

This SES Suspension Upgrade fits the rear suspension of a Jeep Cherokee, Jeep Comanche, Jeep Wagoneer Nissan Xterra (see below for full list of applications). Each laser cut piece of steel is precision bent and powder-coated to ensure a quality fit. We’ve engineered our hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent rear end sag. Whether you’re pulling a trailer or carrying a heavy load in the back of your SUV, our hollow rubber springs adjust automatically to keep the vehicle level at all times.

This SES Suspension Upgrade replaces the jounce stop inside the coil. Its unique design ensures superb ride quality – loaded or unloaded. (There should be a ½” to 1 ½” gap between rubber spring and axle to ensure unloaded ride quality.) Unlike other auxiliary spring systems, the SES Suspension Upgrade guarantees the best of both worlds.

Product Features

  • Eliminate Vehicle Squatting & Sagging
  • Cushion Road Shocks
  • Improve Handling
  • Satisfaction Guarantee
  • Lifetime Warranty
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Customer Reviews

"The Timbren system is the answer for rear end sag and soft handling! My 35ft 5th wheel handles much better, and I recommend Timbren without reservation."

- Larry V. - SD

“Timbren's work amazing! Absolutely as good or even better than air bags! Did it myself and only had time to drink 2 beer doing it! Easy install. Thanks for the advice. Simple yet very effective.”

- Jonny K - NB

Fitment Checklist

  • Jeep Cherokee
    • Jeep Cherokee (XJ)
    • Jeep Comanche
    • Jeep Grand Wagoneer
    • Jeep Wagoneer
    • Nissan Xterra
  • 1997-1998
    • 1984-2001
    • 1986-1992
    • 1984-1991
    • 1984-1990
    • 2005-2013
  • 4WD Only
    • 4WD Only
    • 4WD Only
    • 4WD Only
    • 4WD Only
    • 2/4WD