To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.
Heavy loads in the back can make the rear sag and the front rise, which throws off steering and braking. The Timbren Rear Suspension Enhancement System adds up to 1,300 lbs of extra support to keep everything level when towing or hauling gear. The hollow rubber springs sit above the axle and work with your existing suspension to keep your setup steady and prevent bottoming out under load.


Uneven pavement and potholes can make the ride rough, especially when you’re carrying cargo. These hollow rubber springs act like shock absorbers, taking the hit from bumps and rough roads instead of transferring it through the chassis. The rubber design cushions light loads and becomes more rigid as weight increases, so you get a comfortable ride when empty and solid control when loaded.

When crosswinds or curves try to push you around, each spring works independently to support its side of the vehicle. That independent action reduces body roll and sway so you stay stable through turns or when hauling off-center loads. It also helps keep trailers tracking straight by cutting down on the movement transferred between vehicle and trailer.


You don’t need compressors, hoses, or air pressure adjustments to get solid support. The Timbren system replaces your factory bump stops with rubber springs that bolt onto custom brackets—no drilling required. Once installed, they automatically engage as weight is added, giving you consistent performance without any maintenance or manual tuning.
With durable rubber construction and vehicle-specific mounting hardware included, this setup is built for years of reliable support. It helps extend the life of your factory suspension by reducing wear from constant heavy loads while keeping your ride confident mile after mile.
Customer Satisfaction Score:
88% were satisfied with this product
12% of customers were not satisfied
Ratings & Reviews

Harvie
4/1/2016
Thanks for the question Luc. I used Monroe Sensi Track shocks. They also have built in springs to aid your suspension and will automatically sense your load. Best part they are reasonably priced for the shock you get.

Donovan
8/13/2014
hi, when removing the old bump stops, the basically just pulled off, leaving some foamy glue behind on the mounting plate... put the mounting plate has no bolts or fasteners to remove it, so I cant get anything on there, and my old bump stop is wrecked... Can you help me understand how to install these rubber springs?I have a 2000 dodge grand caravan

Jason J.
12/10/2018
One year update: We have taken two lengthy1000+ mile road trips in our 2013 Chrysler Town & Country with roof and rear rack storage and all we can say is the Timbren suspension upgrade is simply awesome. Our van no longer sags in the rear when loaded down and the suspension changes are practically unnoticed, especially when the van is not loaded at all. I highly recommend this suspension upgrade to anyone who plans on towing or loading up their Town & Country with extra weight.

Gary S.
4/25/2018
I love it ! Timbren still giving my Dodge the rear end support it needs.

Rich
6/2/2019
Its been a year and they are holding hump well. Rides a little bit stiffer but we have a ton more control when hauling and the rear doesnt sag as much as it used to.

Thomas M.
5/16/2019
The suspension system performs perfectly. I replaced the shocks as well and have a great ride even when 6 adults are in the van.

Forest
7/30/2017
Still very happy with the results! Highly recommended for minivan drivers.

Ron O.
1/11/2015
They still work great I pull my 2 3 seater jet skis with my van to Canada they work very good the van is loaded to the gills to
Do you have a question about this Vehicle Suspension?
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
















Luc D.
3/29/2016
what shock did you install on the back?