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SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle

SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle

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Retail:$605.07
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5,000-lb Capacity. These maintenance-free microcellular urethane springs upgrade your vehicle's rear suspension. Each 2-piece spring connects at top and bottom and provides unlimited suspension travel and movement for a smooth, comfortable ride. Lowest Prices for the best vehicle suspension from SuperSprings Intl. SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle part number SSR-128-47-2 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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SuperSprings Intl Vehicle Suspension

  • Jounce-Style Springs
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Heavy Duty

5,000-lb Capacity. These maintenance-free microcellular urethane springs upgrade your vehicle's rear suspension. Each 2-piece spring connects at top and bottom and provides unlimited suspension travel and movement for a smooth, comfortable ride.


Features:

  • Helper springs upgrade your vehicle's rear suspension for improved driver control and comfort
    • Keep your vehicle level when you're towing or hauling a heavy load
    • Help to absorb bumps and shocks
    • Minimize sway
  • 2-Piece design provides unlimited suspension travel and movement for a smoother ride when unloaded or on rough terrain
  • Progressive load control - springs compress according to the weight of your cargo
    • Lighter loads - springs compress easily at first for soft engagement and a less bumpy ride
    • Heavier loads - springs compress by as much as 80 percent for support
  • Springs work independently from each other to compensate for off-center loads and reduce body roll during sharp turns
  • Durable microcellular urethane
    • Works in temperatures from -25 F to 200 F
    • Resists damage caused by oils, road salts, and UV rays
  • Minimal lateral expansion - springs expand and compress vertically instead of to the sides so they aren't easily damaged when operating in tight spaces
  • Maintenance-free - no tubing to run or air pressure to monitor like with air springs
  • Easy, bolt-on installation
  • 2 Jounce-style springs and necessary hardware included
  • Made in the USA


Specs:

  • Weight capacity (at 50-percent compression): 5,000 lbs
    • SumoSprings will not increase your vehicle's weight-carrying capacity
  • Limited lifetime warranty
  • 30-Day satisfaction guarantee


Rear Suspension Support

SumoSprings helper springs are great for vans. Towing or hauling a heavy load can cause sag as your factory suspension compresses under the weight of the load. This means that the rear axle is trying to support not only the extra load but also the van's weight. And because there is less weight on your front axle, your front tires make less contact with the road, which causes problems with traction, steering, and braking. SumoSprings upgrade your factory suspension to level your vehicle, improve driving performance, and keep your ride comfortable.


SumoSprings Rebel installed showing separation of 2-piece springs

The innovative 2-piece design of these Rebel springs allows for unlimited suspension travel. This means that there will be more movement in your suspension when you're unloaded or off-roading, which makes your ride smoother and more comfortable.


Each spring has 2 pieces. One piece attaches to the frame of your vehicle. And the other piece attaches to the axle, typically above your existing factory leaf spring. The pieces come together to provide support when you are towing or hauling a heavy load. When you're unloaded, they separate so that they don't restrict the movement of your suspension. The closed-cell urethane springs also act like a shock absorber to dampen road vibration.


SumoSprings compressing under load

SumoSprings provide progressive load control - the more you load them, the stiffer they become. With a lighter load, the springs will compress easily for soft engagement and a less bumpy ride. The springs can also compress by as much as 80 percent to support a heavy rear load and to help your factory suspension bear up under the load. This evens out the weight, which levels your vehicle and ensures that your front tires are making better contact with the road. A level ride means that you have improved driving control, ensures safe headlight aim, and helps to minimize sway. The springs also support your factory suspension, which helps prevent sagging and reduces bottoming out.


The springs work independently from one another to support each side of your vehicle. This action helps to reduce body roll when you make a sharp turn. This also helps compensate for an off-center load.


Durable, Custom-Fit Springs

These microcellular urethane springs are tough. They resist abrasion, oil, salt, and UV rays that can more quickly wear out other springs, and they perform well in temperatures ranging from -25 F to 200 F (-33 C to 93 C).


SumoSprings expand and compress vertically with minimum expansion to the sides, so they won't be damaged by nearby mechanical parts, and they fit safely into tighter spots. And unlike air springs, SumoSprings require no maintenance or adjustment.


This kit comes with custom-fit brackets that are designed to easily bolt onto your vehicle.



SSR-128-47-2 SuperSprings Sumo Springs Rebel Rear Vehicle Suspension Kit for Trucks - 2-Piece

Item # SSR-128-47-2

Installation Details SSR-128-47-2 Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle - SSR-128-47-2

Average Customer Rating:  4.9 out of 5 stars   (329 Customer Reviews)

5,000-lb Capacity. These maintenance-free microcellular urethane springs upgrade your vehicle's rear suspension. Each 2-piece spring connects at top and bottom and provides unlimited suspension travel and movement for a smooth, comfortable ride.

- SSR-128-47-2
by:

took about 2 1/2 hours to put them on. Love them!! Trailer sits level and truck still has it's proper angle to the road!



- SSR-128-47-2
by:

Ordering experience was great and the product was delivered quickly. My only complaint is the box was pretty beat up and retapped but nothing was missing.



- SSR-128-47-2
by:
2022 Ford F-350 Super Duty



- SSR-128-47-2
by:
2020 Ford F-250 Super Duty



- SSR-128-47-2
by:



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


The front Sumo Springs made a major difference in the stability of my Winnebago motorhome. It handles the bumps much better without major jarring of the passengers and dampens the side to side motion in turns and under crosswinds.



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


We have a 2009 build F53 chassis on our 2010 Windsport 32A. I ordered these Sumo springs for the front axle. Hated how bad our coach dashboard would shake and rattle when going over bridge transitions, potholes, and concrete roadway section breaks. Took about an hour and were easy to install alone. Couldn't believe how much these helped the front axle. Worked so well I recently bought a set for the rear axle also. Those are a bit harder to install due to having to drill holes in frame rails to mount the upper bracket and glad I had friend to assist me. Would have only taken a little longer without the help but still easy to do by basic mechanic skills. With having both now we can certainly tell the difference and wished I had bought them sooner.


Comments
Our Sumo springs have been the best addition we have made to our coach. Now retired, we have been getting out and driving farther and the Sumo Springs have made the ride so much better. Highly recommend them on this F-53 chassis.
Ed - 04/11/2021


- SSR-301-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


Just Installed my Sumo Rear Springs. They went in real easy on my Dodge Ram 3500. The thing that took the most time on the install was jacking up the frame 3-4" to make enough space between the axle base and top of frame to slip in the entire lower and top sections of the Sumo Springs. Once I did that, I narrowed that space by letting the frame down a little but not all the way. Just enough to catch the receiving spring and leaving a half inch gap between the two sections. This allowed me to easily rachet the bottom u-clap without a problem and keep good alighment. I know I'm going to love this product once I hitch up. No more 2' drop in the rear end once hooking up to my 15k 5th wheel. These springs are stout but no so stout I'll beat the hell out of my body when hunting the rutted roads of the great North West. Thank you Jessie for your expertise and steering me toward the perfect application to meet my pulling and off-road needs.



- SSF-173-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


One year ago I installed Sumo Springs front and rear on my class A motorhome. This upgrade is the best suspension add on for improved sway control and overall handling. etrailer helped me make the proper choice based on overall vehicle weight and specific chassis. Fast shipping and fair pricing.



- SSR-203-47-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


They fit fine and installed as described in the printed instructions. Reasonably easy overall, even for a novice like me. My only comment is that the video that was included showed a different set up than what was delivered. That made me unsure if I had the proper system for my truck, which indeed I did, but the difference between what was shown in the video that was "for my truck" and what was in the box had me wondering. Never-the-less, all was correct and went well.


Comments
Product is excellent. The springs really reduced the squat I used to have in my truck when I hooked up my fifth wheel camper. Actual reduction in squat was around a 2 inch change. This also keeps the nose of the truck from rising in response to the rear sag I used to have, which makes the overall handling of the total rig a bit better as well. Also, the ride, while connected, is noticeably smoother and feels more stable while driving in stout crosswinds, which we frequently enjoy, here in Oklahoma.
Randy - 05/22/2022


- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


20 minutes each side to install. Very easy & easy instructions. And WOW! What a difference in ride, handling & comfort. Immediate results . I've used sumo springs before & can't say enough good about them & etrailer as well.



- SSR-301-47-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


Swapped out a set of air bags for a pair of Sumo Springs. The truck now self-levels when I load my slide in camper or other heavy loads. Truck handles better as it's not floating on two balloons. More stability in turns and cross winds.



- SSF-172-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


I called because I couldn’t find the right part number on front and back sumo springs for my National RV. Joshua put together a quote in no time. George confirmed my order and walaa I was smooth ridin’ like a dream! Thanks etrailer!



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


The Sumo Springs that I added to my 2020 Fleetwood Bounder motorhome (along with a Safe-T-Plus) seem to have corrected the ride & handling problems that I was experiencing. I rated the product 4 out of 5 stars because I have only driven the motorhome 20 miles of so home from the shop. The route did, however, include some rough pavement , narrow lanes & construction zones which were MUCH more difficult before. In all honesty, this is probably a five star product. I can’t wait to take a longer trip & see how it does.



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


I unpacked everything and it was in good shape. All parts were intact and individually protected with paper. The directions were easily understood and very descriptive with all parts lettered with pictures and corresponded to a part and item #. One portion of the front diagram showing the leaf spring attached to a 90 degree I beam should state that is the axle. At the top of the diagram showing the frame rail, it would help if indicated somewhere we were looking at the outside of the frame rail. Those two things would help orient the viewer to what is being looked at. Also, the note at the bottom that says "Driver Side Front" with an arrow, should be in larger print and bold text. The actual pictures on the back side with the instructions should also say (at least in the first one) "outside of frame rail". To sum things up it took me 3hrs to install the driver's side. Mainly because I broke loose the welded nut on the frame that holds the bump stop and I had a heck of a time getting a socket that fit on it so I could get that darn bump stop off. Having said that, it only took me 45 to 50 minutes to install the passenger side once I knew what I was doing and had all of the tools handy. As a final note, it would be helpful to include a tool list such as 3/8" drive socket wrench with 4" or 6" extension. 13mm and 15mm deep sockets to remove Ford bump stops. Standard 9/16" ratchet wrench and or extra open end/box end 9/16" and a deep 9/16" socket. All of which only need to be 3/8" drive. I look forward to my next trip with the SumoSprings installed.


Comments
Excellent. The ride is less bouncy and more firm. Definite improvement.
James B - 07/14/2021


- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


Installed myself, took about an hour and a half on the first side and about 45 minutes on the second side. I have not taken a long trip yet but a 5 mile test drive after installation seemed very positive. Will update later after a trip.



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


Recommend there springs for any coach without air ride. These took the ride of our 2022 Coachman from that of an empty dump truck to as good of ride as my Ford F-250 SuperDuty. etrailer really know the products and can help you find anything you are needing. I also installed a rear track bar and front steering stabilizer and this has changed the entire handling of this short Pursuit 27 XPS. Can now set the cruise and relax while I drive. The only negative I had was when I removed the front factory bump stops the nuts are not welded in place on my f53 and my frame in that area is boxed in so you had to use existing holes to put the nut back in place. I spent 2 hours on the first one then when I used wire and duct tape to let it down into place the second one took no time at all. This is an issue Ford needs to correct it did not have anything to do with Sumo Springs or etrailer.



- SSR-128-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


These things are amazing! I had doubts, but I figured for the price why not give it a try. The sag is gone when pulling my 5er. My 350 has a 3” lift and sits perfectly level unloaded so any sag shows instantly. These “springs” eliminated the sag and made the ride10x better. Only dropping one star because the kit only came with 4 flange nuts, supposed to have 8 in the kit. Luckily I had 4 with the correct thread pitch laying around.



- SSF-173-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


Great product easy to install


Comments
Great
Ed - 09/10/2021


- SS27GR
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


My ram deisel would squat an inch and a half in the back when i hooked my empty gooseneck to it. After installing Summo springs it only lowers 1 1/4 inches with a 7ton load. More stability with the truck level and wieght on steering axle. More lateral stability for the dips in the road. A must for any one hauling heavy with s 3/4 ton truck



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


My THOR motor coach has the Ford F-53 chassis. I rides like a truck. That should not be surprising as "it is a truck." I purchased and installed these Sumo Springs and even though it will never be "air bag" suspension, the Sumo Spring made a wonderful difference in improving the ride. I would recommend this add on to everyone and as I meet similar motor coaches on the road, I show them the Sumo Springs and I do recommend them.



- SSF-172-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


etrailer sent my product on time and I am very pleased with the detailed tracking of the order. I will definitely buy again.


Comments
The springs are working great.... The ride is smooth and turns are easy also no white knuckle driving.... I can drive the 36 motorhome 75 mph with one had now ... Thanks
Ron - 09/27/2021


- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


Preston did a great job helping me spec in the correct springs for my 2016 Thor Hurricane 27K on a F53 chassis. Placed order with him over phone and received springs two day's later. I just installed them and took Motor home on a test drive around town on bumpy streets and what a difference it made. Drives more like a truck now and less like a boat. I also installed a steering stabilizer spring and did the cheap handling fix to the sway bars. Well worth the time and effort. I did notice that the etralier installation video shows the bottom brackets of the spring installed with the "U" down which is opposite the mfg's printed instructions. I did mine according to the printed instructions cause it seemed to make more sense. Probably no big deal either way. Thanks etrailer. I'll be contacting you guys when ready to do the back end of my motor home.



- SSR-201-47-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


A great addition to my one-ton. The ride is smoother, how much you might ask? Enough to say it's worth the money. In the picture, I have my 5th wheel hooked up so you can see how the Helper Springs are going to make the bumps smoother because there is a cushion there already.



- SSF-170-40-2
by:

Review from a similar SumoSprings Rebel in Vehicle Suspension


The helper springs on front and rear really made difference.


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Ask the Experts about this SuperSprings Intl Vehicle Suspension

  • What Rear Suspension do You Recommend when Towing a 35-Foot Horse Trailer on My 2022 Ford F-350?
    For a great rear-suspension option for your 2022 Ford F-350 4x4 when towing your 35-foot gooseneck horse trailer, I recommend the SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle # SSR-128-47-2. These springs offer 4600lbs of load-leveling support which will be perfect for providing stability to the rear suspension of your F-350 when towing. These springs are progressive rate meaning the first bit of the spring is soft so your unloaded ride quality is not affected, but then...
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  • Recommended SumoSprings for 2022 Ford F-350 Cab and Chasis
    I reached out to SuperSprings International and they told me that you should be able to use the SumoSprings Rebel Custom Helper Springs # SSR-128-47-2 on your 2022 Ford F-350 Cab and Chassis. These helper springs will help keep you level when towing or hauling while minimizing bumps and shocks. These SumoSprings have a 5,000 lb weight capacity and microcellular urethane construction. They are maintenance free, have a bolt-on installation, and are made in the USA. I have attached a review...
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  • Compatibility of SumoSpring Rebel Helper Springs for 2019 Ford F-250 With Underbed Gooseneck Hitch
    On your 2019 Ford F-250, the SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle # SSR-128-47-2 are a fit for your underbed B&W Turnoverball gooseneck hitch. This not only will help when using your gooseneck but can also with your 5th wheel adapter hitch. They are a great option for your truck doing heavy duty towing. If you often travel without a trailer, they may be a little stiff and instead you may want to consider # SSR-129-40-2.
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    I recommend using the SumoSprings over the Timbren system for your 2017 Ford F-250 because we have received numerous feedback from our customers that the SumoSprings provide a much more comfortable ride and they work just as well. For your application I recommend the part # SSR-127-54 if you only tow your 7K trailer occasionally or the Extra Heavy Duty # SSR-129-47-2 (2WD) or # SSR-128-47-2 (4WD) if you tow often enough that it is like a constant load. Please note that any suspension...
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    I recommend using the Sumo Spring Custom Solo Helper Springs # SSR-127-54, which I like here because they're only going to go to work when you're hauling your truck bed camper and will otherwise not change the unloaded ride quality. The Sumo Springs are progressively load bearing with a 2800-lbs capacity and get stiffer as weight is applied to them, so they're great for truck bed campers and will work to help fight body roll and suspension sag when heavy loads are in the truck bed. These...
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    Unless you're using your truck to plow snow, most folks don't need suspension enhancement at the front. If you are pushing snow, the # SSF-111-54 with a 2800 lb capacity would work great. For the rears, I'd recommend # SSR-128-47-2 for 4 wheel drive trucks or # SSR-129-47-2 for 2 wheel drive trucks for a 4600 lb capacity. These will do a great job of handling any slide-in camper your F250 would be rated to carry. You can see product description videos for the items I recommended by clicking...
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    When towing your 5th-wheel trailer on your 2022 Ford F-250 (4x4), I recommend the SumoSprings Rebel # SSR-128-47-2 over the Timbren Suspension Enhancement System # TFRTT350J. The reason why is because the SumoSprings, even though they are similar to the Timbrens, are made of a more pliable material for a better ride quality. Overall, the SumoSprings has a 5,000 pound weight capacity (at 50%) compression, which is more than enough to support the vertical load on your 10,000 pound trailer....
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  • Recommended Suspension Enhancement for 2022 Ford F-350 4WD Towing 5th Wheel
    Since you don't have the 5th wheel half the time, and are concerned about unloaded ride quality, you definitely want the SumoSprings over the Timbren # TFR350SDJ. You also want to make sure the capacity is enough for your pin weight. This means you would need the 2 piece SumoSprings Rebel Custom Helper Springs # SSR-128-47-2. The cost may be a little higher compared to some others but it will be well worth the investment on your new truck. These SumoSprings have a capacity of 5,000 lbs...
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  • Recommended Rear Suspension Enhancement For 2021 Ford F-350 4WD Towing 35' Gooseneck Horse Trailer
    The Timbren Suspension Enhancement System - Rear Axle # TFRTT350J you were looking at will fit your 2021 Ford F-350 4WD but are very stiff and will lead to a very harsh unloaded ride. Instead I recommend the SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle # SSR-128-47-2 which offers 4600lbs of load leveling support which will be perfect for providing support to the rear suspension of your F-350 when towing your 35' LQ Gooseneck Horse Trailer. These springs are progressive...
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  • How to Adjust Ride Height on the SuperSprings Custom Suspension Stabilizers
    There are two levels of adjustment on the SuperSprings Custom Suspension Stabilizer and Sway Control Kit part # SSA46 for your 2017 Ford F-350. The adjustment is located on the shackle that attaches the roller to the bottom of your leaf spring. There are two bolt holes on the shackles. The bottom hole will provide the least amount of support which will in turn cause the vehicle to be raised about an 1" from factory while unloaded. The top bolt hole will provide the most amount of support...
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  • Recommended Suspension Upgrade/Enhancement for 5th Wheel Towing with 2022 Ford F-350
    Since you're not planning on using the truck for hauling, the load applied to the rear suspension of your truck will be consistent, which means that you won't need the adjustability provided by air helper springs, so we can rule those out from the get-go. The TorkLift # TLA7311 StableLoad features a swing-out tab that allows the overload springs to engage earlier which is a pretty clever device, but the problem is that you'll need to reach under the vehicle with a ratchet to engage and...
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    The Timbren Suspension Enhancement System - Rear Axle # TFR250SDJ that you were looking at is confirmed to fit your 2018 Ford F-250 4x4 and has an 8600lb load leveling capacity so it will be more than enough to handle your 3000lb cabover camper, but the Timbren systems are known for causing a much harsher unloaded ride so I have another option for you. I recommend going with the SumoSprings Rebel Custom Helper Springs - 2 Piece - Rear Axle # SSR-128-47-2 which have a 4600lb load leveling...
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  • Recommended Replacement Bump Stops for Slide in Truck Camper on 2022 Ford F-350
    The Timbren # TFRTT350J is a fit for your 2022 Ford F350 4x4, but its 8600 lb capacity would be overkill for your application, in my opinion. You'd have a pretty rough ride with the suspension under load. I believe you'd be happier with the SumoSprings # SSR-128-47-2 with its 5000 lb capacity. The SumoSprings are made of a more pliable material which would provide a better loaded (and unloaded) ride quality, The # SSR-128-47-2 is for vehicles with a bump stop perch over the axle, If you...
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  • Sumo Springs Recommendation for 2018 Ford F-250 SuperDuty when Bumper Towing Reflection 312BHTS
    When it comes to adding some extra support to improve your towing experience I love the SumoSprings because they're easy to install and they provide you with progressive load support that doesn't effect the unloaded ride quality on your vehicle. With that said, the TSS-107-40 (for trailers) and CSS-1168F (for coil springs) are not the parts you're looking for. Because of the 800-1200-lbs tongue weight of your trailer, I recommend using the SumoSprings # SSF-111-47 (front) and # SSR-127-47...
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  • Best Suspension Enhancement for 2020 Ford F-350 Towing Fifth Wheel Trailer
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  • Best Air Bag Option For A 2022 Ford F-350 FX4 Dually Towing A 5th Wheel Camper
    You are correct in that there are a few issues with the FX4 Package on your 2022 Ford F-350, and having a dual rear wheel model compounds this a little, but it absolutely does not exclude your truck from being able to get air bags to fit properly. With that said, I recommend going with the American made Air Lift LoadLifter 5000 Ultimate Air Helper Springs # AL26KV. These will give you 5,000 pounds of load carrying capacity at 100 psi, but can then be deflated down to 5 psi when you are...
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  • Recommended Jounce Stop Helper Spring Option for 2021 Ford F-250 4x4
    There is a slight difference between Timbren helper spring models for the 2021 Ford F-250 which would use part # TFR250SDJ and the F-350 which would use # TFR350SDJ. Timbren makes a great product, but I prefer the SumoSprings # SSR-128-47-2 for trucks with a bump stop perch over the axle or # SSR-129-47-2 for vehicles without the perch. 4x4 vehicles should use the # SSR-128-47-2, but you'll want to check for the bump stop perch to be sure. The SumoSprings are made of a more pliable material...
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Info for this part was:

Employee Leah B
Edited by:
Leah B
Employee Mike L
Expert Research:
Mike L
Employee Dustin K
Video Edited:
Dustin K
Employee Cole B
Installed by:
Cole B
Employee David F
Installed by:
David F
Employee Chris R
Video by:
Chris R
Employee Mary E
Written by:
Mary E
Employee Wilson B
Updated by:
Wilson B
Employee Alex H
Updated by:
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Employee Adam E
Test Fit:
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