Timbren Front Suspension Enhancement System
Item # TFF350
Retail:$316.90
Our Price: $269.36
You Save: $47.54
Confirmed to Fit
1991 Ford F-150, F-250, F-350
F-150
F-250
F-350 - Cab and Chassis
F-350 - Pickup
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To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
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- Reviews (5931)
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1991 Ford F-150, F-250, F-350 - Timbren Front Suspension Enhancement System
- Jounce-Style Springs
- Front Axle Suspension Enhancement
- Standard Duty
- Timbren
3,000-lb Capacity. Great for trucks with plows, these front hollow rubber springs help to stabilize and level your Ford F-150, F-250, F-350. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.
Features:
- Improves suspension, handling and safety
- Provides additional support as needed so you always have a smooth, comfortable ride
- Allows the leaf spring ample movement while cushioning light loads
- Becomes more rigid as more weight is added
- Increases stability - providing great performance while hauling heavy loads
- Reduces vehicle sag
- Works independently - side-to-side
- Helps compensate for off-center loads
- Reduces body roll when swerving and turning corners
- Acts as shock absorbers, taking the brunt of bumps and rough roads
- Extends the life of your vehicle's suspension
Specs:
- Includes 2 Aeon hollow rubber springs, vehicle-specific brackets and hardware for simple installation
- Replaces axle bump stops on frame
- No drilling required
- Capacity: 3,000 lbs
- Do not exceed the vehicle's weight-carrying capacity
- Designed to work with a suspension system that is in good working order
- Limited lifetime warranty - satisfaction guarantee
Just like the rear of your vehicle will sag under the weight of a fully loaded bed, the front of your vehicle will sag when under the burden of heavy equipment such as a snowplow. In this case, the front axle is handling not only the weight of the equipment, but also more of the vehicle's weight. Overall vehicle handling - traction, steering, and braking - is negatively affected. But the resistance from Timbren's Suspension Enhancement System works with your factory suspension to keep your vehicle level and improve your driving experience.
The Timbren system comes with custom-fit brackets that are bolted onto each frame rail above your front axle. Hollow rubber springs are bolted to the bottom of the bracket and hang down so that the bottom of each spring touches the axle. Because each spring is making constant contact with the axle, it is always working to cushion and support your factory suspension.
Timbren Suspension Enhancement Systems are designed to work progressively. When the hollow rubber springs are compressed, the convoluted design causes them to quickly collapse along the folds. Once the folds are compacted, the stacked barrel shape increases resistance, stiffening the suspension and keeping your vehicle level.
Each hollow rubber spring works independently to support the driver's-side or passenger's-side of your vehicle. This is helpful when you swerve or make sharp turns. Each spring is activated when it is needed, so body roll is greatly reduced. The independent action also works well when you're carrying off-center loads.
Timbren's Suspension Enhancement System will help raise the front end of your vehicle when you're using heavy equipment like a snowplow. This ensures that your headlight beams will be pointed in the right direction and tire wear will be reduced. If the plow is off-center or has an extension, the springs will automatically compensate for this as well.
Another great feature of the rubber construction is that the springs absorb most of the road shock, creating a smoother, more stable ride overall. Wear and tear on the factory suspension is also lessened because the rubber springs work to prevent bottoming out on rough roads.
Timbren Suspension Enhancement Compared to the Competition
Timbren's Suspension Enhancement Systems are much easier to install than air springs - there are no air hoses to run, no compressors or gauges to hook up, and no manual adjustments to make. The rubber construction makes Timbren's springs more elastic than similar products constructed of microcellular urethane. More elasticity allows for a more comfortable ride because the rubber has more travel.
FF350 - Front Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren
Video of Timbren Front Suspension Enhancement System
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Video Transcript for Timbren Front Suspension Enhancement System Review
Hi everyone. Aiden here with etrailer. Today we're gonna be taking a look at the Timbren Front Suspension Enhancement System. This is going to be an upgraded bump stop for the front end of your vehicle, whether it be a car like the 4Runner here or a motor home. These are gonna come in a variety of different kits and fits with different capacities and help stabilize the front end of your vehicle. Let's check it out.
So why would you be looking for something on the front end of the suspension enhancement side A lot of people are pretty familiar with airbags on the rear axle, and a lot of those suspension enhancement components are used in towing applications or maybe truck beds where you've got really heavy loads in the bed and you need extra support at the back of the vehicle. Now what the front end can do is stabilize that front end, if you do have something like a front mounted hitch, maybe a plow on a truck, or on a larger vehicle or even a smaller vehicle like this, it does help stabilize body roll a lot because these are going to be a lot beefier than the factory suspension and the factory bump stops, that is, and help limit that side to side movement as we're taking turns or driving down in like really windy conditions on the highway. So this will give a significant upgrade for those applications. As far as the construction for these goes it's going to be a hollow Aeon rubber material with a progressive spring rate. Now, what the progressive spring rate means is the more this compresses, the more pressure it has, the more it's going to work at returning the vehicle to its natural position.
So it's just going to resist more and more as it gets further compressed. As for the installation process, this particular one that I've been holding is for the 4Runner, and this one is a very basic kit. It really just has a threaded end with a bolt and a plate on the inside, but this just spreads into a factory weld done on the 4Runner. Very straightforward install. But for all the other different fits and kits, those are gonna have custom brackets and their own hardware that come with it.
So no matter what one you end up going with, if it's a fit for your vehicle, it's going to be custom fit. So the installation should be just a straightforward bolt on process. Now obviously that can vary depending on the kit and what vehicle you're putting it on, especially on the motor home side of things. But for the most part, you should be able to have a very straightforward install process with any of these kits you pick out. And to make sure you find the right kit for you, be sure to enter your vehicle information into our fit guide and use that to narrow down for the custom fit options available for your vehicle.
If you're considering some front suspension enhancement, I do think that these bump stops from Timbren are a really solid option. From the testing we did in installation on our 4Runner, they performed great. They reduced a ton of the body roll and really helped when we're going over speed bumps and just aggressive driving conditions where we need that extra support. Whether you've got a truck with a plow on it, or a motor home that you're trying to reduce body roll on, something like this can be be a huge help and it's a very straightforward solution. But that'll do it for a look at the Timbren Front Suspension Enhancement System Bump Stops. Thanks for watching.
Customer Reviews
Timbren Front Suspension Enhancement System - TFF350
Average Customer Rating: 4.7 out of 5 stars (5931 Customer Reviews)
3,000-lb Capacity. Great for trucks with plows, these front hollow rubber springs help to stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.by: John Z04/19/2023
I know it will be lovely when loaded or the trailer on. However,it rides like a wagon empty with brand new premium shocks and struts empty. Thud thud thud. You really cannot feel the shocks or suspension. Found exact same item plentiful for 60 bucks on eBay after I bought these for 250. I may cut these in half or put air bag on. I do not like the ride empty. No hard feelings. It is a good product maybe just not for me.
by: Shaughn10/21/2022
About a 1/2 inch difference in gap at the bump stop perch but still within parameters. Truck sits perfect with trailer attached. Haven’t towed yet. After towing if they perform like they should will upgrade to a 5 star. Easy to install, definitely needed 2x4 and jack. 2011 Silverado ext cab with 30 ft Genisis 5th wheel.
by: Michael03/12/2023
Was able to install these with a 15mm flex head ratchet wrench and lifted the rear of the truck to make it easier. 30 minutes to take off 4 nuts and put em back on. 2 minutes assembling the timbrens with the added spacer. I have a f350 with a salter and plow. Loaded with salt the lights shoot up and in the snow ?? it’s like hitting hyper drive and you’re blinded. These helped big time. Very happy so far.
by: Tim03/17/2023
The pro: The longer, heavier bump stops worked great when hauling my mustang home from Chicago. The truck stayed level and handled great.
The con: I had to remove the bump stops for everyday use. They limited my suspension travel causing a stiffer ride.
by: Paul10/20/2022
Haven’t had it on long, but so far so good. 1999 F350 dually. Bolted up nicely. Total job took 10 minutes. Have hauled two gooseneck loads of hay and truck drives SO much better. Nice and level. Money well spent so far.
by: OmarG03/08/2023
I am so glad I bought these for my truck. I was able to install them myself using a jack and jackstands. The ride is bit rougher now; but the suspension is totally awesome compared to before. I am able to haul a bit more weight when needed.
by: Francis02/20/2023
very good product ,received just in time and fit perfectly on my GMC savana 2000 .Be sure to clean the two receptacle thats help.
très bon produit , reçu dans les délais et s'ajuste parfaitement . Assurez-vous de nettoyer le receptacle cela facilite l'installation.
by: Jeffery08/03/2022
The timbrens actually did what they were suppose to do. However, once I starter driving out west I notice the timbrens were riding on the axle which cause the speedometer to jump around depending on the road. I would recommend them if you are hauling or towing a camper or RV. I was going to contact etrailer about maybe removing a spacer for one set however the other set came as one unit. The bottom line is the Timbrens does stabilize your load for safe travels. I will be contacting etrailer soon to assist in correcting the problem...Road trip from Idaho,Colorado,Wyoming,and Utah were beautiful... Thank you etrailer
by: Jesse03/20/2024
Pros: Cheaper and easier to install than airbags, do the job when load is enough to compress the shock, with added weight or towing, then it stiffens the rear very nicely.
Cons: Doesn't do anything until there is 2-3cm of compressed shock. It sits above the contact point, doesn't touch. Under normal driving, there is no benefit/improved stiffness/anti sway in rear or a leveling of the factory rear sag in a 2022 or newer Toyota Tundra.
If had it to do over, would have put some kind of spacer in between product and upper included bracket, the supplied bolt is long enough to accommodate, to eliminate the gap, and lift the rear 1-2 cm. Should do it anyway, maybe when swapping to summer wheels next month.
by: Phil 04/18/2023
The order with Will at etrailer was great. He was very helpful and knowledgeable, Installation was not easy but not too bad, The hardest part was removing the factory pieces I removed them from below which was a blind nut removal operation. This is on a 2017 Mercedes Sprinter motorhome. After removal of the factory pieces I discovered that access is much easier on top between the tire and the mud flap, I turned the front wheels inward and they didn't have to be removed. The front of the motorhome had to be raised quite a bit to get the Timbren piece jnserted. Also I learned to tighten the bolt and nut in the Timbren bumper as much as possible before installation because there is no access to the bolt head when tightening the top nut to keep the bolt from turning, preventing tightening the nut.
by: Little Doc11/29/2022
I’d seen similar products rated in the 4,000 lb ratings but I went with these. I’m not a mechanic but I removed the factory bump stops and installed both these in 30 minutes or less. I used my rolling jack and lifted from the drop hitch and easily removed the old ones and soapy water and 1/4 twist and these were on. Placed a block of wood in the space between these coils and lowered the jacks then pressed it with my tractor to confirm full engagement. I carry a lot of tools on a 2020 Chevy 2500 I do feel a bit of butt bounce on large bumps but other than that I’m very pleased.
by: KB - Henderson TN08/04/2023
Easy install took about 20 minutes on my 2017 Ram 3500 SRW. Had about 1/2 inch clearance as recommended. Loaded up my 5th wheel (2350 hitch weight) and about 200 lbs of gear in the bed. Just got back from a 800 mile camping trip through mountains of TN. You can really feel the difference around those sharp corners and uneven surfaces. The truck felt firm and controlled not hard and jarring as some have mentioned. Going over those overpasses with the wonderfully smooth (Not) joists was greatly improved. The truck would squat and rebound again, with a firm controlled response. Driving without a load felt the same as before without them. I would highly recommend these! Ordering from etrailer continues to be my go to option!
by: Grant02/25/2024
These work great for giving you a solid towing experience when loaded heavy; however, when driving empty you definitely get the jounce bumper “into the air” experience when driving on moderate to rough roads. I have the recommended gap installed between the axle and the timbrens, but with terrible midwest roads and highways it doesn’t seem to be enough gap. Smooth roads it rides great. It’s driving 80mph on the expressway and hitting potholes or large cracks where these will hit causing uncomfortable harsh ride.
I’ve resorted to installing and then subsequently removing these anytime I use my travel trailer for longer trips (30minute removal time). I tow a 7000lb loaded travel trailer with an f150 and just needed something to make the soft half ton suspension from porpoising too much on bad-roads. Mission accomplished when towing as I said these things work great for heavy loads. It almost rides better with heavy loads…. I was going to give airbags a try but the reviews from others have scared me from those because even with airbags at the lowest setting you still get the jouncing on bumpy roads.
by: Leo08/04/2023
The Timbren rear bump stops for 2020 Suburban were great quality and fit perfectly in the replacement of the original ones with no problems. The old ones pulled right out by hand with no hassle. When I installed the new ones I put 2x4 blocks that I cut underneath the bump stops. Then hooked up the 6,400 lbs travel trailer with about 750 lbs of tongue weight on it and they pressed right into place. The Suburban was more stable because it had less swaying while towing. I also gained about 1 inche more in the fender gap which means less rearend saging.
by: Brian03/27/2024
So just got them installed today 3/27/24 haven't hooked up the 5th wheel yet but will be this weekend so we'll find out if they are good as everyone claims they are fingers crossed. Install was crazy simple took about 30min(had to find a wrench) have about 1/2in gap between the axle, really excited to test them. Will update the review after this weekend.
by: Michael02/02/2023
I was back and forth between Timbren SES and airbags. Everyone in forums were very biased toward air bags and very opinionated on the Timbren SES. Yet I could find one instance in which someone tried the Timbrens, were dissatisfied and then switched to air bags. I called etrailer, Jamie recommended this product to me for my application. Installation on a 20-year-old truck had me nervous, I live in the Midwest and have a lot of salt. Installation was a breeze, and I have a B&W 5th Wheel Hitch (turnover gooseneck ball). This made the install a bit more challenging simply because I had a large bolt through the frame directly above my bump stop nut. If you do this install with the B&W Hitch, get a set of gear wrenches, or borrow a buddies 15mm and 9/16 wrenches. You need the 15mm to remove the factory nut and the 9/16 to install the Timbrens. I sprayed wd40 two nights in a row prior to installation to make sure I had good penetration of oil - I didn't break a bolt or a knuckle. I recommend installing the Timbren spring to the mounting plate, then install the mounting plate with Timbren to the truck. I didn’t need to remove my wheels or my spare, I jacked up the back under the hitch, used jack stands and let the weight of the axle separate the rear end from the truck giving ample room for the installation. After installation, I checked the clearance of the TImbren from the axle and had 1 inch of clearance. I installed my 1200-pound pickup camper and the springs just started touching the axle. I have a 21-foot fiberglass boat and seen about a 1/4-inch drop after I connected it to my truck. These things work and best part is – no maintenance and no danger of shifting weight if an airbag lost pressure or was punctured/damaged. I hunt with this vehicle and drive through thick brush and timber, I feel airbags wouldn’t hold up with the abuse I put my truck through. The Timbren SES system took the squat out of my truck and made the drop from the connection of my heavy boat hardly noticeable. Thank you etrailer, great experience as usual!
by: Jim 03/29/2023
Installed these Timbrens on my 2016 F350 to enhance the stability of my truck for a slide in truck camper. Have loved the results of them. They have noticeably helped leveling the truck/camper combo, and sway while driving. When the camper is off the truck these are not engaged. Have had no issues and would recommend them.
by: Jonathan01/31/2023
I don't usually write reviews but in this case I have to. I have been using these springs for about a year now and they work exactly as advertised. I carry a truck camper on my truck from March until November. Once I loaded my camper the truck sagged very noticeably. I tried the Roadmaster Active Suspension (don't waste your money) before I discovered the Timbren springs. The Timben springs installed easily, eliminated the sag and gave the truck a much more stable ride because it eliminated the side to side rocking in the back. If you are thinking about getting these, you will not be disappointed.
by: John 01/31/2023
I now have Timbren springs on 3 different trucks. They are one "solution" for tucks that are heavily loaded occasionally. Honestly, I dont like the handling characteristics of any of these trucks when the rear axle is bearing on the Timbren springs. Im not saying that theyre a bad product, and the company is reputable and easy to work with. I prefer a traditional overload spring or something similar to Stable Load overload spring blocks, which engage the overload springs sooner. I just prefer the way a loaded truck handles when it bears weight on a traditional overload leaf spring as opposed to the Timbren.
by: Tomalapala11/21/2023
Despite reading about the popularity in using Timbren’s for suspension modifications to assist in ride quality when loading up the Odyssey, I haven’t found many reviews about the Timbren’s for 4th gen Odyssey though there are a ton of positive reviews for the 5th gen Odyssey on the forums and internet.
I went with Timbren’s due to the “set it and forget it” lack of maintenance. I do notice a more stable ride even unloaded at highway speeds. There’s less sway in on/off-ramps and big sweepers. Not a huge change, but warmly noticeable. About the same quality of change one might experience from buying a brand new set of tires vs. not dangerously worn down tread. Where it really shines is under load/heavy cargo.
Before Pic (unloaded mulch); After Pic (loaded) - definitely not as much squat as with the prior OEM bump stops! Comfortable ride with less jostling/sway and haven’t bottomed out the springs over rough road. I’m impressed! Install was fairly easy, about 45 min per side taking my time, cleaning removed parts. One year later, I haven’t had any issues, and I feel very comfortable loading the minivan with all our gear/stuff.
I do not tow.
by: James 03/13/2023
So far soo good. Very easy to install on my 04 Nissan Titan. Took a little over two hours total to assemble all the tools lift the truck, set up my pneumatic tools, remove old bumppad and install new spring helpers. Hauled my first load of 2700 pounds of gravel. Much improved ride and vehicle control compared with stock suspension. Also rear end was atleast 3 inches higher than stock
by: Kenneth02/29/2024
Second set I have purchased. These went on a GMC 3500 fully 2022. Easy install and works great pulling a large fifth wheel and gooseneck trailer. Basically reduces squat.
by: Steven07/01/2023
ordered over the phone and got a very nice lady that was very helpful. was feeling like crap so took a few days to open box up and found out only half was there no bolts only one top mounting piece and only one rubber spring part. but i got two big rubber washer things
by: Dustin08/07/2023
These keep my truck level with my slide in camper on board. It no longer rests on the helper springs. I have gained over 2” of height on the bed. Super easy to install. They also are noticeable on corners. Not nearly as much lean.
by: Shane01/16/2023
2 stars for the directions. Directions on how to remove the old stops and install the new ones are horrible. It took me over hours to get the first one done, and about 15 minutes to do the second one. The biggest issue I had was, it comes with a spacer, but the directions says... use what you need (when it comes to the spacer). HOW THE &$%$ am I supposed to know what I need. I used the 1 inch spacer, now the front end sits about 1/2 inch higher... do I remove it?
4 stars for the ride. The truck rides great and I can tell a difference in how smooth it rides, but still don't now if I need to mess up my back (bad back) more to remove the spacer (I have to take the front wheels off to get the SES installed). I might wait until I get the hardware installed for the plow to see if I need to remove the spacers (they might bring it back down where it should be).
I really want to give this a higher rating. Once you discover how to do the install, it takes a few minutes, but the learning curve is sharp.
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3500
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view full answer... - Will Adding Timbren Front Helper Springs Lift the Front of a VehicleThe Timbren front helper springs # TFF350SD2 will prevent the front of the vehicle from sagging but are not likely to offer any additional height. That is unless the stock set up causes the front suspension to compress. If that is the case then you would gain about the same amount of height as the stock suspension naturally compresses.
view full answer... - Timbren Front Suspension Enhancement That Fits 2WD and 4WD 2003 Ford ExcursionYes, you are on the money with the fits. The Timbren Front Suspension Enhancement System # TFF350SD2 is a fit for the 2-wheel drive model of the 2003 Ford Excursion, while the Timbren Front Suspension Enhancement System # TFF350SD4 is a fit for the 4-wheel drive model of '03 Excursion. I have added a link to a video review of this suspension enhancement for you to check out. I do want to add that if you were looking for the rear suspension units from Timbren for your Excursion, they...
view full answer... - Front Axle Air Spring Kit for Lifted 2004 Ford F-250 4WDTimbren front axle kits # TFF350SD4 and # TFF350SD4B that fit the stock 2004 F-250 4WD are both considered standard capacity but part # TFF350SD4B does have slightly taller and stiffer springs. Otherwise they are essentially identical no-drill replacement bump stops. But neither of these can work on your truck with 6-inch lift. No Timbren front axle kits are safe to use on a truck with 6-inches of suspension lift. I did call Timbren to confirm this is the case. It may be possible to install...
view full answer... - Installing a Timbren Front Suspension Enhancement System on a 2009 F-150 4X4 With a 2 Inch LiftTo use the Timbren Front Suspension Enhancement System, item # TFF150F, on the front suspension of a vehicle that is lifted with a suspension lift you will have to use a kit modified for your truck. You can call the etrailer.com Customer Service department with the following information at hand. Year, make, and model of your vehicle Whether it is 2-wheel or 4-wheel drive Measurement from the top axle to the bottom of the frame directly above the axle If you are using a body lift kit then...
view full answer... - Timbren Suspension Enhancement Recommendation for 2020 Ford F-350 Super DutyThe Timbren suspension enhancement I recommend for your 2020 Ford F-350 Super Duty is the Timbren Suspension Enhancement System - Rear Axle # TFR350SDJ. These are the correct rear enhancement, as the other option, part # TFRTT350J, is for service vehicles like tow trucks and are are much stiffer and will be uncomfortable for a standard truck. The rear axle Timbrens are the best choice and you can also add Timbrens to the front axle of your 2020 Ford F-350 for added support with the Timbren...
view full answer... - How Tall Is The Timbren TFF350SD4B Once Fully AssembledI had the Timbren Front Suspension Enhancement System # TFF350SD4B measured and it will be 6-5/8 inches from the top of the bracket to the bottom of the jounce. This is also designed to fit a 1999 to 2004 Ford F-250, F-350, and F-350 Cab and Chassis.
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