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🚀 Upgrade your Super Duty’s backbone—tow smarter, ride smoother, and never look back!
The Timbren Suspension Enhancement System Rear Kit (FR250SDJ) is a vehicle-specific upgrade for 2017-2025 Ford F250 Super Duty trucks, designed to improve towing safety and ride quality. Featuring patented Aeon progressive rubber springs rated for up to 8,600 lbs, it eliminates rear sag, sway, and roll under heavy loads while maintaining comfort when unloaded. Installation is quick and tool-free, requiring no ongoing maintenance. Constructed with powder-coated alloy steel and backed by a lifetime warranty, this kit transforms your truck’s suspension for confident, controlled hauling.







| ASIN | B01N68BAFF |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #28,665 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Air Suspension Kits |
| Brand Name | Timbren |
| Compatible with Vehicle Type | Pickup Trucks, Trailer, Truck |
| Customer Reviews | 4.5 4.5 out of 5 stars (391) |
| Finish Type | Powder Coated |
| Global Trade Identification Number | 00809933008653 |
| Included Components | item |
| Item Type Name | Enhancement System |
| Manufacturer | Timbren |
| Manufacturer Part Number | FR250SDJ |
| Manufacturer Warranty Description | Lifetime |
| Material Type | Alloy Steel |
| Maximum Towing Capacity | 8600 Pounds |
| Model Number | FR250SDJ |
| OEM Equivalent Part Number | FR250SDJ |
| Pull Force | 8600 Pounds |
| UPC | 809933008653 |
| Unit Count | 1.0 Count |
M**R
Very good, no hassle! Easy install
I installed these on my 2020 XL 6.2 F250 4wd. Without a load you cant even tell these are installed. Have not put a heavy load on the truck yet but i have used these in the past and they work good for heavy load in the bed!
R**S
Game changer for heavy hauling.
Game changer for Heavy Hauling — Can’t Believe I Waited So Long I haul 10,000–15,000 lbs daily with my 2024 Super Duty, and this Timbren SES kit made an immediate difference. Install was fast and easy. The truck feels noticeably more confident and stable under load — any squat is completely gone. But the biggest surprise? The trailer jack! I’ve shaved off a huge number of turns thanks to the reduced squat. Timbren should advertise that — it’s a massive time-saver. Wish I’d installed this the day I got the truck.
P**F
Stupid Simple
Improved the ride while towing. It was a stupid simple install and only took me twenty minutes at most. I highly recommend.
W**M
Works as it should.
Rides much smoother lifted the back up a couple inches. 2019 f250 with service bed and Tommy gate. Installed in under 30 minutes.
A**R
Terrible Assembly Instructions
Installation was on a new Ford F250XLT Crew Cab 6.7L truck. While the product may prove out to be a 5 star rating (TBD), the assembly instructions however weren't worth the paper they were printed on. No bracket orientation details, no torque specs, no nothing.
J**.
Noticeable improvement!
Rating these a 5 for now. Well made and robust. Haven’t towed my travel trailer yet, but the size difference between the upgrade and the stock OEM parts is dramatically different. The reason I bought these is a friend had installed them on his f250 and he said they make a huge improvement when towing his travel trailer. The ride is smoother and also improves the sway.
J**E
Timbren f350
Works as it should! Helped with rocking motion and a smooth ride!
T**S
Worth the Money
I haul a lot of stuff in my F250 and tow often. These timbrens did the trick and didn’t cost as much as reputable airbags. I also had the old ones removed and the new ones on in 20mins.
C**Y
Can't go wrong with Timbrens. Helped a lot with squat and offers a stable ride. Easy install.
J**N
Wow, these are actually really good. Noticeable improvement when loaded, less sway when towing, and a bonus, the helper leafs squeak way less now! Super easy installation, basic tools also. I would recommend these over the complexity of air bags.
R**T
Installed these on my 2020 F250 superduty. It literally took me 4 minutes per side after I had the truck jacked up slightly and the bumpers assembled. I have about 1 inch clearance from the axel. When the truck is loaded they speak for themselves. The ride is smooth and sway is gone. I wasn’t expecting much of a difference unloaded however I was surprised to notice a difference in ride unloaded too. The truck turns nicer on the highway, less sway and less impact over bumps and potholes. I live up in the far north of Canada and I went with these over airbags. I was worried about the winter months. I’m very happy with the purchase. I haul cords of firewood in my truck and pull trailers and campers. Well worth the money for these. I highly recommended
R**R
These work great. Level out heavier loads and the ride comfort is decent. Recommended
A**R
What a difference from stock to these. Big improvement pulling my trailer.
Trustpilot
2 weeks ago
1 month ago