Timbren Active Off-Road Bumpstops - Rear Suspension - 6,000 lbs

by: 2021 4Runner SR5 Premium09/23/2022

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.1420941

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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.
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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. 820765

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by: Chase 09/25/2021

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.1162297

Great product, great service! Planning to install them next weekend!1089308

Very well, working as intended and no issues!

Shad - 07/11/2022

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by: Scott 07/03/2021

Have been performing great, completely stopped rear bottoming out when pulling my trailer, a smother ride on ruff dirt roads1082706

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.450555

by: Jason 02/12/2021

2019 Toyota4Runner

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.956888

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971389

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

Karen - 03/02/2022

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by: Vince 07/22/2022

1335167

This place has restored my faith in online companies GREAT JOB919048

by: Davis02/28/2022

1267158

As described. Looks like it should work 696585

958734

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by: Jesus07/13/2022

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

I Install this product on the front and back of my 1994 toyota land cruiser ,I realy like them , we explore the Baja peninsula in MEXICO the off road land is very ruff , this bumpstop realy work . the don't crash in to my diferencial any more1326708

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by: AMS03/02/2023

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

They seem to perform just fine, absorbing bumps and impacts etc. However they collect water like little buckets and the bolts are clearly corroding on the inside of the bumpstops since they have no drainage. Adding a way for water to escape faster than evaporation would be a good improvement to the product!1528955

by: Greg 01/20/2023

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

Correct hardware for install was not included, I bolted them right to the frame and the axle come up to them. They are great I haul heavy loads long distances and they exceed my expectations. Way better than the air bags that my tire wore holes in while off roading. These rubber bump stops are bullet proof and worry free1502757

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

Bought these in lieu of airbags for my Nissan Frontier. I overland in the desert, taking Astro pictures. I put in Bilstein shocks, raised it about an inch (I’m 5’2, so any higher and I can’t get in my truck!). . Even going as light as possible with my RTT, rack, and other equipment, I was still bottoming out in larger ruts. Everyone suggested airbags but I didn’t want to have to maintain and adjust them. These are perfect and have fixed that problem.1528414

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

timbren were a perfect fit for my tacoma and was able to install the parts on myself they will make a big difference for leveling out the vehicle when pulling my travel trailer1540853

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

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.1308001

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by: Matt03/21/2023

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

Would not have been able to tow 16 foot airstream without them. My Toyota Tacoma needs all the help it can get for towing any weight.1540312

by: Bruce 10/18/2022

Review from a similar Active Off-Road Bumpstops in Vehicle Suspension

Easy Install, about an hour each side.
Changes nothing to standard suspension until there is a load on them. When loaded you don’t have the banging with regular stops and steering and cornering are the same as unloaded. The biggest load I’ve carried is 3,400 lbs.
Make sure you check load rating on your tires before you add that much weight.1451053