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  1. Vehicle Suspension
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  3. 1500
  4. 2023
  5. SuperSprings Intl
FITS 2023 Ram 1500
SumoSprings Solo Custom Helper Springs - Rear Axle

SumoSprings Solo Custom Helper Springs - Rear Axle

Item # SSR-307-47
Our Price: $331.99
Vehicle Suspension
Confirmed to Fit
2023 Ram 1500

2 Wheel Drive

4 Wheel Drive

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Shipping Weight: 12 lbs
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SuperSprings Intl vehicle suspension for your 2023 Ram 1500 are available from etrailer.com. Installation instructions and reviews for your Ram vehicle suspension. Expert service, and great vehicle suspension prices. etrailer.com carries a complete line of SuperSprings Intl products. Order your SumoSprings Solo Custom Helper Springs - Rear Axle part number SSR-307-47 online at etrailer.com or call 1-800-940-8924 for expert service.
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2023 Ram 1500 - SumoSprings Solo Custom Helper Springs - Rear Axle

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

1,500-lb Capacity. Upgrade your Ram 1500's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.


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
  • 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 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
  • Simple, no-drill installation
  • 2 Jounce-style springs included
  • Made in the USA


Specs:

  • Weight capacity (at 50-percent compression): 1,500 lbs
    • SumoSprings will not increase your vehicle's weight-carrying capacity
  • Limited lifetime warranty
  • 30-Day satisfaction guarantee


Rear Suspension Support

Towing or hauling a heavy load can cause rear 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 weight of your vehicle. 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 vehicle's factory suspension to level your vehicle, improve driving performance, and keep your ride comfortable.


Installed spring when it is not compressed

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 closed-cell urethane material allows for smooth contact between the springs and your vehicle. And the springs act like a shock absorber to dampen road vibration.


Installed spring when it is compressed

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 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.


The helper springs are custom designed to fit your vehicle, and they install easily - no drilling required.



SSR-307-47 SuperSprings Sumo Springs Solo Rear Ram 1500 Suspension Kit for Trucks

Installation Details SSR-307-47 Installation instructions

Customer Satisfaction Score:


Customer Reviews

SumoSprings Solo Custom Helper Springs - Rear Axle - SSR-307-47

Average Customer Rating:  4.7 out of 5 stars   (2289 Customer Reviews)

1,500-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.

by:
2014 Ram1500

took about 45 mins to a hour to install mostly because of bolt up other wise probably 30 min install if bolt up was not in such a tight location. I did leave out the spacers which left me with about a 1 inch gap where as I had about 3 before install with OEM bump stops. I have not loaded a trailer on my truck yet but I did load around a 1000lb bail of hay right after install into the bed and you could not really see a drop in the back. Moment of truth will be when I load my travel travel which is the main reason I bought these due to sag. 2014 Ram 1500 4x4



by:

Did exactly as advertised. RV trailer rides smoother, headlights arent' blinding oncoming traffic because of lifting the front end. Excellent product.



by:
Dodge Ram Pickup

One year in, they are still terrific and make a world of improvement in the Ram spring suspension when towing.

Even our friends that follow us when traveling commented how much more stable our trailering is.



by:
2016 Ram1500

Great product. Cured the sagging problem with my truck while towing my trailer.

Kevin

11/14/2023

Its working great. Leveled the truck and trailer perfectly.



by:
2018 Ram1500

When installing the springs I discovered that one of the mounting plates (1 out of 4) had 2 of the holes missed drilled and was unable to install. I had to send back to etrailer.

Etrailer Expert

Sierra K.

10/18/2021

Sorry to hear about this defect. I see in your account that the manufacturer has provided you with a new mounting plate.



by:

At first SumoSprings worked well. I drove to Arizona pulling a 21 ft camper and stayed for six weeks. I stayed at several camp sites. I notice my truck was higher on the passenger rear side and the truck was slightly swaying when driving. I looked under the truck and saw that the rear driver SumoSpring was gone. I removed the the other SumoSpring and found that it was smashed on one side. I installed the Firestone coil-Rite air helper springs on 3/30/2023.



by:
Dodge Ram Pickup

Really happy with the Sumo's on my 1/2 ton Ram. The stock Ram coil springs are a comfy ride and without the spacers that is maintained. Under a load the truck handles much better with a trailer or cargo. Installation was really easy and no maintenance is why I chose these over some other air springs.



by:
2022 Dodge Ram Pickup

I received them on time. They appear to be good quality. Install was fairly easy, I recommend using a rachet wrench. The fit is good. I'll see how they work towing a trailer over the next couple days. My install was on a 2022 Ram 1500.



by:

They are fine when pulling a trailer, help with squat well. However when not pulling the springs sit very close to the axle causing a hard ride especially on rough roads or pot holes.



by:
Dodge Ram Pickup

It ruined the ride of my Ram when it’s not loaded.

Etrailer Expert

Jenny N.

6/28/2023

We have had similar reviews about the stiffness of the springs when unloaded. For an alternative in the same price range that would not cause a terrible ride when unloaded I suggest part # F4130 for a 2021 Ram 1500. It installs in the coil springs and is an adjustable air bag. The load leveling capacity is 500 pounds so it is on the lighter side.



by:

Assembly went very well. I used the spacer and it actually raised the truck 1/2". After the camper was attached,the rear-end only dropped 3",much better than the 6 to 7" before.



by:

Why did choose the SUMO springs? I considered: Timbren, and several airbags and the SUMO springs. After all, I decided maintenance free is my highest priority therefore, the airbags fell of the list. I chose SUMO over Timbren. The Timbren are a bit shorter than the Sumo springs that means they engage later / under higher load. Moreover, the Timbren are rated for ~5000 lbs that means they are very stiff. I expect the Sumo springs to meet my needs: they engage early and add ~ 1500 lbs which should be sufficient if the truck tows a trailer with a hitch weight of ~600 lbs.
Pros:
- very simple to install - no special tools or setup required
- parts fit well
- top quality
Cons:
- price vs competition
Installation in hour or so on my drive way. On the RAM 2019 (new style) removing the OEM bumpers was easy - just wiggle them out with your hand. For the installation of Sumo helper springs it is helpful to use a 13mm a Ratcheting Combination Wrench. That will speed up to tighten the 8 nuts per spring. You still can use just a regular 13 mm combination wrench.
Now what is the result of the springs? So far, I used the truck without hitch load. The springs engage early. The ride without load is a bit stiffer than before. The real test will be once I hock up the trailer. The trailer has a hitch weight of ~600lbs. Stay tuned.



by:
2023Ram1500

This is the 2nd truck I have pit them on. Excellent product and I would recommend these to anyone who uses a truck like a truck.



by:
2015 Dodge Ram Pickup

On a 2015 Ram 1500. The Sumo springs work great. I went from a loaded ride height of 35 inches to 36 1/4 inches. But the real improvement is in the ride. No longer have the squishy rear end wobble that I used to have. Combined with my weight distributing hitch my ride height improves to 37 1/2 inches. Truck is level along with my travel trailer. When I'm not loaded I don't even notice that I did anything. Still rides like factory. My only complaint is in the installation. Eight nuts with washers per spring and there is no space at all on multiple nuts to fit a so met or even a ratcheting wrench. Took about an hour in my driveway. Other than this minor inconvenience, I have to say excellent product.



by:
Dodge Ram Pickup

I pull a 24 ft trailer w/ one slide out. It weighs roughly 5K (more loaded). My RAM 1500 is well balanced for the tongue weight and , of course, when not pulling, the truck drives as if the sumos were not there-which they are NOT when the weight comes off. I have noticeably more control overall. Glad to have purchased these.

They were installed by Dodge dealership--no issues. A great product.



by:
2015 Ram1500

I should of gotten airbags.
I bought
these in hope of making towing my camper feel more stable and I was let down big time. These did not help in towing and in fact made towing worse. I had a neighbor that thought these were awesome when he got them for his truck but he has also since gone with air bags. My truck didn't handle very well with or without towing and I had to remove them.
I still do not have air bags but I also haven't had time to camp. So, once camping picks back up I will be buying air bags.



by:

Great ride, extra support with rv on hitch, much more comfortable, smoother ride then the previous timbrens



by:
2016 Ram1500

Quality product install was simple and straight forward. Would have given it 5 stars except I installed the 1inch spacers included in the kit. Made the Sumo spring touch the axle immediately with no load. Did not see in the instructions were the 1inch spacer was optional. Without the spacer the Sumo spring is roughly 1/2 to 3/8 from the axle with no load. I do think if you have a leveling kit or lift, the spacer would be a good idea it is nice that the kit comes with the option.



by:

The SuperSpring Solo work as advertised. They definitely help level the load when pulling my 27' camper. My only complaint is that they fit so tight (1/4" gap) between the bottom of the SuperSpring and the axle that as soon you load anything you are already using the SuperSpring. I would have preferred a little more of the oem suspension for day to day driving.



by:
Dodge Ram Pickup

The Sumo Springs worked as advertised. Installed them on a 2021 Ram 1500 Big Horn 4x4. I had to install them with a wrench, the socket set didn’t have enough clearance. Took a little bit of time and patience but got them installed. I pull a travel trailer with a 600 lb tongue weight. Towing the trailer was smoother and dampened the rear bouncing when going over rough spots on the road. I would recommend this product.



by:
2019 Ram1500

Supports the hitched ride fantastically. Unhitched is a bit bouncy but not terrible.



by:

A year later the SumoSprings did exactly as advertised. I am pleased with the product and the service I received from Etrailer



by:

They are great I pull fifth wheel around and lot of bumper pull trailers and they have been a life saver when comes to steering and handling the heavy loads



by:
Dodge Ram Pickup

This product does what it says it will do. One of the issues that I have is the difficulty to install this product. The 2020 Ram 1500 on the passengers side has a stabilizing bar that interferes installing all the nuts on the rear of the mounting plate spring. My truck supposedly has a 1 inch lift from the factory (Big Horn North Edition). I used the plastic extension as recommended in the installation instructions and even with the 1 inch factory lift, using the plastic spacer makes the spring rest on the rear axle with no load in the truck. I'd recommend to not install with the plastic spacer. The ride is much stiffer but I'm OK with that as when my trailer is attached the ride is as expected.



by:

Did not work took them off sitting on my shelf. Had to by air bags


25
2196
Show More Reviews

See what our Experts say about this SuperSprings Intl Vehicle Suspension

  • Recommended SumoSprings for Rear Sag on 2022 Ram 1500
    The SumoSprings Solo Custom Helper Springs # SSR-307-47 are a great choice and I would highly recommend them. These have a 1,500 lb weight capacity and will help keep you level while towing or hauling with your 2022 Ram 1500. The feature progressive load control and also work independently to help reduce body roll and compensate when loads are off-center. The SumoSprings have a microcellular urethane construction and are completely maintenance free unlike air bags. They have a bolt on...
    view full answer...
  • Are the Blue or Black SumoSprings Going to Be Best For 2020 Ram 1500?
    Since your weight distribution hitch is working to keep your 2020 Ram 1500 level I recommend going for the lighter Blue # SSR-307-40 springs. These have the 1" spacer as well like the heavier Black # SSR-307-47 springs which you can take out or leave in depending on how the ride quality performs. I feel like with the lighter blue springs you will not notice them even if they are touching the leaf springs unloaded. Often times as trucks get older the springs sag so your suspension is likely...
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  • Sumosprings Suspension Enhancement for 2015 Ram 1500 4x4 with Aftermarket Air Springs In Coils
    The SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-307-47 for your 2015 Ram 1500 4x4 will give you 1,500 lbs load support at 50% compression as they offer progressive load support. It sounds like you already have the aftermarket air springs like # AL60818 or Firestone # F4185 rated for 1,000 lbs load leveling capacity. If this is the case, then I recommend replacing them with # AL60818HD rated for 2,100 lbs and giving you the same connections but higher capacity. You can...
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  • Recommended Suspension Enhancement for 2020 Ram 1500 - Air Bags or Sumo Springs
    As you've mentioned, air bags would be an option for your 2020 Ram 1500 that will provide you with the ability to inflate the air bags to different pressures, which means a stiffer or softer ride depending on the air pressure. They're a really great option if you're ok with the more in depth installation and the other draw back is that in order to have the best experience using them, you'll likely also want to add an on board compressor system. As long as they're installed properly, leaks...
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  • Recommended SumoSprings for a 2013 Ram 1500
    Yes, SumoSprings would help to address the sagging and squatting you are experiencing in your 2013 Ram 1500. I recommend the SumoSprings Solo Custom Helper Springs item # SSR-307-47. These springs have a 1,500 lbs capacity that will easily handle the tongue weight of your Whitehawk Trailer. These springs work by using progressive load control. The springs compress according to the weight of your cargo. Basically the more weight put on them the more they are engaged. When you are not towing...
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  • Recommended Suspension Enhancement for a 2018 Ram 1500 Pulling a 5th Wheel Trailer
    Yes, there is! The best option would be the SumoSprings Solo Custom Helper Springs item # SSR-307-47. These are custom fit for your 2018 Ram 1500. They have a 1,500 lbs load leveling capacity that will keep your rear end from squatting when you are hooked up to your 5th wheel trailer. The best part about the SumoSprings item # SSR-307-47 is they work off a system called progressive load control. The springs do not engage unless there is weight placed on them. The more weight you add the...
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  • Recommended Solution to Fight Sag When Towing in a 2021 Ram 1500
    The SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-307-47 you were looking at are a really nice solution to help fight the sag you're experiencing and they'll also help with road shock to help smooth out your ride a bit. I really like the SumoSprings compared to an air bag since they're maintenance free and you don't need to add a compressor to get the most out of the system. SumoSprings are progressively load bearing, so they'll get stiffer as more weight is applied on them;...
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  • How to Determine Towing Capacity for 2015 Ram 1500
    In order to determine the towing capacity for a 2015 Ram 1500 you need to know your engine, axle ratio, if you have 2WD or 4WD, your cab size and your bed size. You will then need to take that information and reference your owners manual; from your description and what I saw of the tow ratings you will have a capacity as low as 4,190 lbs to as high as 7,440 lbs but you do need to verify this in your owner's manual. To tow, if you don't have a factory hitch I strongly recommend the Draw-Tite...
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  • Recommended Solution to Fix Sag While Towing with a 2020 Ram 1500 Big Horn
    In this case, I recommend using the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-307-47 because they'll do a bit better job of keeping the factory ride nice and comfortable; these springs provide 1500-lbs of load leveling capacity, so your trailer's tongue weight and the weight of any payload should be considered. If your trailer's tongue weight/pin weight and the payload you carry is greater than 1500-lbs then the Timbren Rear Suspension Enhancement System # TDR1500DS would...
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  • Recommended Rear Suspension Enhancement For 2014 Ram 1500 Carrying Weight All Of The Time
    For your 2014 Ram 1500 you will want to go with either the Timbren Rear Suspension Enhancement System # TDR1500DQ you were looking at or the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-307-47. If you are carrying a lot of weight all of the time then I would go with the # TDR1500DQ as it has an 8600lb weight capacity making it a much more heavy duty option, but on a truck that is not loaded with much weight it will cause a very stiff ride. If you are only carrying a few hundred...
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  • SumoSpring Kit Recommendation for 2024 Ram 1500
    Yes, we have the SumoSprings kit part # SSR-307-47 that are a confirmed fit for your 2024 Ram 1500. These will do a great job of balancing ride quality and additional support that will get rid of sag when towing your travel trailer.
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  • SumoSprings SSR-307-47 or Timbren TDRTT1500 Recommended for 2014 Ram 1500
    Both the Timbren # TDRTT1500 and the SumoSpring # SSR-307-47 would replace the factory jounce bumpers, and would typically not engage until the rear suspension is compressed by about an inch at which time the helper spring would engage. The Timbren product would certainly offer more support, up to 7000 lbs versus the 1500 offered by the SumoSprings # SSR-307-47 but all you're really needing to cover is the sag caused by the trailer's tongue weight being applied to the rear suspension....
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  • Timbrens Or SumoSprings For A 2022 Ram 1500 To Help With Sag While Towing Travel Trailer
    When choosing between The Timbren Rear Suspension # TDR1500DS and The SumoSprings Solo Custom Helper Springs # SSR-307-47 for your 2022 Ram 1500. I would recommend The Sumo Springs # SSR-307-47 over the Timbrens. Neither will completely eliminate sag and not will completely eliminate sag but the SumoSprings will offer the same quality as the Timbrens in terms of suspension support, but will not give you as harsh as a ride that the Timbrens would. The SumoSprings initial engagement is lighter...
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  • Timbrens or SumoSprings to Help Out with Sag on 2022 Ram 1500
    I usually recommend going with the SumoSprings like part # SSR-307-47 for your 2022 Ram 1500 mainly because most people complain that the unloaded ride of Timbrens is too harsh and uncomfortable. From our experience and the reviews that we've gotten back, the SumoSprings are a great alternative. They still help out when your truck is under a load but you will hardly notice they are there when you aren't under a load. Attached is an installation video on a 2013 Ram 1500 for you to check out.
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  • Rear Suspension Enhancement Options 2022 Ram 1500 That Does Not Require Cutting Off Jounce Bracket
    Yes, if you are wanting to use the Air Lift LoadLifter 5000 Ultimate Air Helper Springs # AL88375 on your 2022 Ram 1500 you will have to cut off the jounce bumper bracket. We do have some other options for adding support to the rear suspension on your Ram if you do not want to remove the bracket. First the SumoSprings Solo Custom Helper Springs will connect right to the bracket. These can be acquired with 1,000LB Capacity # SSR-307-40 or 1,500LB Capacity # SSR-307-47. Best of all they...
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  • What is the Difference between Timbrens and SumoSprings for My 2022 Ram 1500 4x4?
    If you are considering Timbrens like the # TDR1500DQ and the SumoSprings like the # SSR-307-47 for your 2022 Ram 1500 4x4, I recommend the SumoSprings # SSR-307-47. The SumoSprings will offer the same quality as the Timbrens in terms of suspension support, but won't give you quite as harsh a ride. The reason why is the SumoSprings are a progressive spring, so their initial engagement is lighter than the Timbrens (which can sometimes be pretty jarring). I have added an installation video...
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  • Suspension Enhancement Recommendation for 2020 Ram 1500 Big Horn
    For additional support that won't hurt the unloaded ride quality of your 2020 Ram 1500 you'd want the SumoSprings kit part # SSR-307-47 which will do a great job getting rid of the suspension sag of your truck when towing your camper.
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  • Recommended Suspension Enhancement For a 2019 Ram 1500 4x4 Carrying Power Washing Equipment
    For your 2019 Ram 1500 4x4 I recommend installing the SumoSprings Solo Custom Helper Springs # SSR-307-47. These springs I feel work better on the lighter trucks like your Ram as they are not as hard as the Timbren # TDR1500DS. The Timbren springs are rated for 6,000lbs while the SumoSprings are rated for 1,500lbs. Thus you will not sacrifice ride quality when you are driving with the lighter 400lbs of equipment. I have included a video we did showing how the SumoSprings performed with...
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  • Comparing SumoSprings and Firestone Air Springs for 2020 Ram 1500
    As you mentioned, there are some pretty big differences between a jounce-style spring setup like the SumoSprings # SSR-307-47 and an air bag kit like the Firestone # F4130 for your 2020 Ram 1500, both in terms of install/maintenance and actual performance. The jounce springs definitely offer the easier install and require no maintenance thereafter, while the air bags are bit more intensive to setup and would need to be adjusted based on your truck's load. If you are okay with this though...
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  • Suspension Enhancement for 2022 Ram 1500 Rebel
    For a bump stop style of suspension enhancement that fits your 2022 Ram 1500 the SumoSprings kit part # SSR-307-47 would work great and also works on the Rebel models. We've confirmed this with SumoSprings. In this style of suspension enhancement the SumoSpring provides the smoothest ride quality loaded and unloaded.
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  • Best Suspension Enhancement Kit for 2020 Ram 1500 that Isn't Too Harsh
    The SumoSprings kit part # SSR-307-47 is the perfect suspension enhancement kit solution for your 2020 Ram 1500 as it provides a smoother ride quality than other similar kits and also is a jounce style spring and not an air spring as well. This kit provides the best blend between support and ride quality of all of the options out there so it's your best solution.
    view full answer...
  • Is The Spacer Always Needed With The SumoSprings SSR-307-47 On a 2016 Ram 1500
    When we installed the SumoSprings Solo Custom Helper Springs # SSR-307-47 on a 2013 Ram 1500 we did not use the included spacer. There are really 2 factors that are going to come into play when deciding if you will need the spacer on your 2016 Ram 1500. The first is how much your factory suspension is already begun to sag. Over time the springs will loose their tension and you will not sit as high as if you had brand new springs installed. The second factor is how much additional weight...
    view full answer...
  • Comparing SumoSprings And Timbrens For A 2018 Ram 1500
    I agree that the SumoSprings will offer a better ride than the Timbrens. Timbrens do offer a higher capacity and are recommended for vehicles that are under a constant load like a truck with a camper in the bed. The downside of the Timbrens is that it will affect the factory ride when you are not towing. They do not make constant contact with the axle and you will feel the hard rubber making contact when you go over bumps. Sumo springs also do not make constant contact with the axle,...
    view full answer...
  • Timbrens or SumoSprings For 2021 Ram 1500 Classic For Towing Travel Trailer
    For your 2021 Ram 1500 Classic, the better option for your suspension enhancement between the Timbrens and SumoSprings is definitely going to be the SumoSprings, with the correct fit for your truck being the following part number: - SumoSprings Solo Custom Helper Springs # SSR-307-47 The SumoSprings # SSR-307-47 are the better option compared to the Timbren # TDR1500DQ is simply because they are smoother. They both provide the same effective support for your Ram while you are towing,...
    view full answer...


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Info for this part was:

Employee Leah B
Edited by:
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Employee Mike L
Expert Research:
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Employee Dustin K
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