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Features:
Timbren's Active Off-Road Bumpstops provide off-road enthusiasts with greater control over their vehicle's suspension travel. Using progressive-rate springs means that instead of a hard stop at the end of axle travel, the axle energy will be absorbed when bottoming out, producing smooth, predictable, and quiet axle engagement and disengagement. The progressive rubber springs absorb the harsh jolt at the end of axle travel, giving you a gentle ride the whole time.
Unlike your factory bumpstops, Timbren's bumpstops are constructed of a superior natural rubber compound, ensuring the bumpstops will continue to operate even after a lifetime of off-road abuse. And the steel brackets and disks are lazer cut before they are painted with a durable, long-lasting powder coat finish to ensure protection and long life.
Average Customer Rating: 4.7 out of 5 stars (110 Customer Reviews)
While towing my boat (2021 Tracker Pro Guide V-175/Mercury 115 ProXS, ~3,200lbs) in my 2021 Toyota 4Runner SR5 Premium, I noticed a significant rear squat. Additionally, fellow motorists would flag me for “high beaming” when I was not. This squatting in the rear raised the front end and subsequent headlight alignment. After much research and review, I purchased the Timbren SES and installed it. With the vehicle hitch unloaded, the SES rides approximately 1.250” above the rear axel. With the boat loaded onto the hitch, the Timbren SES contacts the axel and holds the load firmly, maintaining a level vehicle. I was pleasantly surprised to see that the ride was not greatly effected. Matter of fact, the vehicle rides much better while towing than before installing the SES. With the 3rd row seating in use, and the vehicle full of passengers, the rear passengers complained of a very bumpy ride and I noticed a very rough feel with hard bumps from the rear. After installing the Timbren SES, even with the boat on the hitch and the vehicle fully loaded, my 4Runner remains level and the ride is substantially improved. If you have 3rd row seating and/or plan on towing ANYTHING with your 4Runner, you absolutely need the Timbren SES. Installation is a breeze. Easiest accessory you’ll ever upgrade.
My 2013 4runner was squatting in the rear when I coupled my 6X12 motorcycle trailer. I was very happy to have found the Timbren bump stop to simply bolt on and fix the problem. However.....during the installation I noticed I had to use ALL of the adjustment slot on the unit to TRY to center on the rear axle. I oriented the units as far towards the rear as the adjustment would allow.
When I coupled my trailer to the 4runner it correctly forced the Timbren bump stop to contact the axle and this is where the problem is.
The Timbren bump stop CAN NOT be adjusted far enough towards the rear to accomplish a centering on the axle. There is a 25% overhang of the bump stop on the axle front. When I communicated with Timbren about this they said" it's a good installation and it's ok". It is not ok.
Imagine that all of the force of a fully loaded truck will be negotiating curves, potholes, swoops and other hazards of the road at highway speeds. All of this stress is distributed on 75% of the product. It can't work as well as if it was 100% distribution. I felt the product was overpriced to begin with. After paying a premium price I expected a custom proper fit.
I can't recommend this product for Toyota 4runner owners.
I had no problems with the installation. It only took about 15 minutes to put these on! There is adjustment space on the brackets to let u be able to center product over rear axles. The pictures below show the product installed while my 4 runner is both raised up for installation and after lowering it down. When lowered down and jack removed I have about an inch clearance.
Fast shipping! Product as described.
Easy install, work great.
Great product. They offer progressive dampening and eliminate any harsh bottom outs. They pair very well with extended travel rear shocks. T4R SR5 4x4 with icon 3” overland rear springs and Fox 2.5” DSC shocks.
This product limits travel of the axle when you go over a speed bump or in a dip in the road. They replace the existing snubbers on the frame and extend down to within a half inch of the axle. It was an easy install with the tire removed and the car on jack stands. The replacement bolts go in the existing threaded connections. Start to finish was about 45 mins for me and I am no expert.
Once installed the car has a comfortable ride but speed bumps and pot holes have their bounce affect greatly reduced. I think these will improve my trailer towing future.
I used this on a 2019 4Runner TRD PRO I go on long over landing trips and the fox suspension can be kind of soft at times when fully loaded with gear. This helped with sag and also the ride off-road when fully geared out on stock suspension.
Have been performing great, completely stopped rear bottoming out when pulling my trailer, a smother ride on ruff dirt roads
Great product, great service! Planning to install them next weekend!
Karen
3/2/2022
Happy no problems. Still in good shape and does what I hoped for. Easy to install took about a half hour tops put these on a 2021 GX 460. Really helps with the 20 travel trailer we pull. Thanks
This place has restored my faith in online companies GREAT JOB
As described. Looks like it should work
Ordered for my 2010 Toyota Tundra. Parts came quickly and had them installed in about 20 minutes. Just needed a good vehicle jack and impact wrench and was very easy. These have greatly reduced the sag when pulling my camper and very satisfied.
Can't wait to pull my RV trailer again and see less squat in the backend of my Raptor!! These are going to make a difference.
Easy install, Nissan Xterra. Love that it came with all the hardware because I had to knock all existing hardware out with a hammer and chisel. I used four additional washers I had so I could put one inside the frame and one on the bumpstop mount. Etrailer shipped fast and free, bumpstops arrived ahead of schedule. Highly recommend these mounts, night and day difference.
The factory bump stops were harsh. These engage sooner and while firm they do not crash like the OEM.
Easy install.
Very easy to install, haven't traveled with trailer yet but will be traveling in April.
These do what they're built to do. I overland a lot so when the truck gets weighed down with gear she tends to squat a little and when I go through bumpy areas the factory stops would slam the frame. No any more with these Active Bump Stops. A much smoother ride and less body roll when cornering.
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Shad
7/11/2022
Very well, working as intended and no issues!