Timbren TORTUN4 Suspension Enhancement System

These made all the difference pulling a heavy load the stock 2010 Toyota tundra stops are metal and this gave a great tow without all the jarring every time You go Over a bump in the road. Added stability and easy to install.

I own a 2012 Toyota Tundra 4x4 with stock suspension and have been pulling my boat, a Chaparral Signature 240 cruiser. Total wt. approx. 6500lbs with trailer included. I was experiencing considerable sag on the rear end of my tundra. So I decided to purchase the Timbren suspension kit and I installed it myself. Was not difficult at all. Actually an easy install for a 57 yo LOL! I did not remove the rear wheels or have to jack up vehicle. I sprayed WD-40 on the U-Bolts nuts to facilitate easy removal of the U-Bolt nuts. I then removed the nuts with a 1/2 inch drive breaker bar fairly easy. I then removed the U-Bolts and the old stock leaf spring bump stop from inside the wheel well looking over the tire. I then took the U-Bolts and used a wire brush and cleaned off dirt that had built up on the threads of the U-bolts and sprayed them with WD-40 to make the nut install easier. From the wheel well over looking the top of the rear tire (Just squeeze your head and arms in over the tire) I took the assembled Timbren bump stop and lined it up in position on the axel and positioned the U-bolts in correct spot. Then just crawled underneath the truck and tightened down the U-Bolt nuts to 70-75 foot pounds of torque. Then repeat the other side. So after the install I drove my Tundra around town , and there was no difference in ride with no load. So I connected my boat to the Tundra and there was absolutely no sag. I pulled my boat to have new tires put on the trailer and the ride was actually different.The pull felt more stable and more of a under control feeling. Over bumps I did not experience that bottoming out feel. A Far better ride than stock suspension. I'm really impressed with the TORTUNA4 Suspension System so far. Was an easy install and not as expensive as a fix as I thought it would be.Well worth time and money at this point.

Review based on 2015 Nissan Titan SV. My picture shows the original bump stop next to the installed Timbren spring. I was towing an 8,000 lb RV and the squat, even with a proper weight distribution system, solicited embarrassing comments from other campers (at best) and was probably dangerous for driving. A fellow Titan owner recommended these for being very easy to install and eliminating squat, so I tried them (over inflatable air springs). Installation was not QUITE as quick and easy as the claim, but I was able to do everything on my own in my driveway. The first side was slow because I was scared of what would happen when I loosened the brackets holding the bump stop to the leaf springs (spoiler alert: nothing happens, the springs stay together). The second one was much quicker because of this. I did need to remove the wheels (one at a time) to reach the suspension, and for this I needed two jacks: one to raise the vehicle, and the other to support the axle since there was no wheel holding it up. The instructions are not totally clear about this but I think it's critical that the axle is propped up by something while you work, whether it's the wheel or a jack. I also needed a 19mm deep socket to undo the bolts; a shallow socket would not work. And a long wrench to loosen it as well as to torque the bracket back to manufacturer's spec (mine was around 100lb; look it up for your vehicle; each is different). But aside from needing to have somewhat more than "basic" tools, once I had it all on hand, it was an easy swap and the squat is negligible now! I know it doesn't increase the towing capacity, but it does help to alleviate stress on the rear suspension and increase braking and handling.

I have had these on my 2010 Tundra for a year now and I'm impressed with the suspension enhancement for the price I paid. When my truck is not loaded I get the stock ride and when it's loaded the Timbrens engage. I have an 8' long bed and I stacked it completely full and rounded with 2/3 cord of green Oak firewood. The firewood weighed about 3200 pounds. I have done this at least 5 times over the past year. Previous to adding the Timbren my leaf springs would bend down flat and my truck frame would rub and bang factory bump stops...it was a miserable ride. Now the frame comes down and makes contact with these Timbrens and reduces shock and bounce (and is probably saving my leaf springs). I also occasionally tow a 24' trailer loaded with about 5,000 pounds (total weight of trailer and cargo is about 7500 pounds). The Timbrens seem to work fine when towing as well...my truck does not squat as much and while the ride is a bit firm when the Timbrens are engaged I don't mind because my drive is usually 2 hours or less. If going across the country with a load the firm ride might get on your nerves especially if you have kiddos in the back seats. There are other options for suspension that are better than this, but not for the price and these are easy to install. It took me about 30 minutes. I would buy these again.

Easy to install for novice DIYer. Instructions well written. Helps prevent squat when hauling travel trailer.

good product ,good seller ,working good ,i recommand

I was a bit fearful when buying, thinking this would make my Tacoma too firm for city driving. Installing these were very simple, and there is a1 inch gap between the truck bed and the top of the Timbren, the gap allows the truck to drive normally... Not any different than usual, then hooking up the trailer, the Timbrens leveled out the dash I had previously! Amazing investment!!

was little uneasy,,doesn't change tow rating but man when trailer hooked up and travelling ,,rides better and when hits bumps less jarring and smoother

Vehicle:2020 Tacoma TRD Sport DCLB- Leaf springs 3+1(overload). Installation:easy <1hr. only note is rather than loosen I did remove one u-bolt nut. I also rechecked torques after 1 day of driving, Unloaded driving: Did a test drive after install , drive not changed. I hit a speedbump faster to hit the Timbren stop and maybe I felt when it hit; really not sure. After two weeks of normal driving nothing abnormal was noticed. Loaded driving: Now the fun stuff. Picked up 1 yard of top dress to overseed my lawn. Estimated 2000lbs. The truck sagged 1.75". The Timbren was now loaded and on the 8km drive home inc 90 km/h highway the truck drove like normal. Summary: I am delighted that my truck can be a payload champ with no worries about overloading the factory leaf springs without hurting daily driveability. * Obviously you should follow GVWR blah blah, take responsibility and make grown up choices. * likely a downgrade if you wheel (offroad), as suspension articulation will be negatively impacted. Get the offroad version if that is your thing.

The suspension kit arrived a week earlier that they said it would! I installed it yesterday and it fit as it should. Only reason I gave it 4 stars was because I haven't had the truck or trailer loaded yet. But by the looks of the quality and craftmanship.....I would say I will not have a problem. I am very happy with the product!!