SuperSprings Suspension Stabilizer and Sway Control Kit - OEM Leaf Springs Above Axle

SuperSprings Suspension Stabilizer and Sway Control Kit - OEM Leaf Springs Above Axle

Item # SSA8MTKT

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Vehicle Suspension SSA8MTKT - Leaf Springs - SuperSprings
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  • SuperSprings
  • Leaf Springs
  • Heavy Duty
  • Rear Axle Suspension Enhancement
1,500-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle. Lowest Prices for the best vehicle suspension from SuperSprings. SuperSprings Suspension Stabilizer and Sway Control Kit - OEM Leaf Springs Above Axle part number SSA8MTKT can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (49)
  • Q & A (18)
  • Videos (1)
  • Photos
  • Why etrailer?

SuperSprings Vehicle Suspension - SSA8MTKT

1,500-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle.


Features:

  • Reinforce your vehicle's rear suspension with extra leaf springs that prevent sagging and reduce sway by up to 30 percent
    • Work like sway bars to stabilize your OEM springs and keep them from twisting
    • Compensate for windy conditions, wind turbulence from big rigs, and weight shifts while cornering
    • Lift your truck when you are carrying a heavy load and prevent bottoming out
  • Adjust automatically to your payload
    • Rollers on each end of the SuperSprings activate when the OEM springs flex under load
    • Rollers deactivate when OEM springs aren't under load
  • Customizable - the shackles attaching the SuperSprings provide several options for installation
    • Choose a setting that increases load support and ride height for constant heavy loads or to compensate for minor spring fatigue in an older automobile
    • Choose a setting that maintains the original factory ride conditions and minimizes effect on unloaded ride quality and height
    • Choose a medium setting that balances support, height and ride comfort
  • Install easily - bolt on above your existing factory springs with no drilling required
    • Because factory springs set above the axle, an additional mounting kit is included for installation
  • Require no maintenance - no tubing or air pressure to monitor or adjust like air springs
  • Save money
    • Extend the life of brakes, tires and the factory suspension
    • Less expensive than air spring systems
  • Made in the USA


Specs:

  • Weight capacity: 1,500 lbs
    • SuperSprings will not increase your vehicle's weight-carrying capacity
  • U-bolt length: 4"
  • 5-Year limited warranty for non-commercial applications
  • 2-Year limited warranty for commercial applications


SuperSprings diagram of roller and shackle system for extra leaf spring

These additional leaf springs add support and sway control to your existing OEM suspension. Just bolt on SuperSprings over your existing factory springs, and they automatically work when you need them. As the factory spring flexes, a roller at each end of the beefy helper spring reacts to engage the helper spring and to provide extra support. The springs help to better distribute cargo weight throughout your existing suspension, channeling that weight to the points on the frame that are designed to support heavy loads.


SuperSprings leaf spring installed on a Ford vehicle

Placing these leaf springs above your factory springs helps to keep your OEM springs from twisting, so the SuperSprings act like a sway bar, reducing the body roll that makes driving more difficult and dangerous. With these helper springs, driving is safer and easier when it's windy, when your vehicle is rocked by a passing semitruck and when cornering. The springs help to reduce sway by up to 30 percent. SuperSprings also allow more wheel travel in the rear suspension when they are under load, so they maintain traction and ride comfort better than rubber or polyurethane bumpers. That means they're great for drivers who frequently tow.


Truck before SuperSpringsTruck after SuperSprings

You can also customize the level of support provided by SuperSprings. For most models, the shackles that attach the helper leaf springs to your existing leaf springs have several installation options:

  • For greater support and ride height when your suspension is under a constant load or if you have an older automobile with some spring fatigue, install the helper springs using the upper bolt holes
  • To maintain the factory ride and reduce the effect on your ride height, install using the lower bolt holes
  • To balance support, height and ride comfort, install using the upper hole on one end and the lower hole on the other

SuperSprings are a maintenance-free, low-cost alternative to air spring systems, which require constant monitoring and air pressure adjustment. These helper leaf springs respond automatically to the load you carry, so there is no crawling under your truck to adjust them. You'll also reduce wear and tear on your suspension, brakes and tires, which saves you money. The bolt-on installation means that they are easy to fit - no drilling required.


This suspension stabilizer kit is perfect for trucks towing fifth wheels, campers and gooseneck trailers.


SuperSprings diagram of springs set above and below the axle

An additional mounting kit is included for installation with factory springs that set above the axle.


For vehicles with factory leaf springs that set above the axle, this mounting kit ensures that SuperSprings operate silently when the vehicle isn't loaded. When factory springs set below the axle, the axle itself serves as a fulcrum for the helper leaf springs. However, for vehicles that have OEM springs that set above the axle, the 2-inch brackets in the mounting kit act as fulcrum points on the underside of the SuperSprings. Furthermore, the shackles at the ends of the helper springs hold them in place and pivot as the load is transferred to the SuperSprings. Because there is minimal preload tension in the installed SuperSprings, you get a quieter ride.



SSA8MTKT Super Springs Leaf Spring Suspension Enhancer - Anti Sway - Includes MTKT SuperSprings Mounting Kit



SSA8MTKT Installation InstructionsInstallation Details SSA8MTKT Installation instructions

This Product Fits The Following Vehicles

1994 - 2008 Mazda B Series Pickup

1973 - 1982 Chevrolet Blazer

1978 - 1996 Ford Bronco

1992 - 2003 Ford F-150

1973 - 1991 GMC Jimmy

1983 - 2009 Ford Ranger

2000 - 2006 Toyota Tundra

1999 - 2013 GMC Sierra 1500

2007 - 2007 GMC Sierra New Body 1500

1999 - 2013 Chevrolet Silverado 1500

2007 - 2007 Chevrolet Silverado New Body 1500

2001 - 2006 GMC Sierra 1500 LD

2007 - 2007 GMC Sierra Classic 1500 LD

2001 - 2006 Chevrolet Silverado 1500 LD

2007 - 2007 Chevrolet Silverado Classic 1500 LD

2011 - 2011 Airstream Avenue Motorhome 20

2012 - 2012 Airstream Avenue Motorhome 20 Lounge

2012 - 2012 Airstream Avenue Motorhome 20 Suite

2003 - 2006 Coachmen Freedom Motorhome 200RB

2008 - 2010 Forest River Lexington Motorhome 210 - Chevrolet

2000 - 2003 Coachmen Catalina Sport Motorhome 210CB - Chevrolet

2001 - 2002 Coachmen Catalina Sport Motorhome 210CBWB - Chevrolet

2008 - 2009 Coachmen Freelander Motorhome 2130QB

2010 - 2010 Coachmen Freelander Motorhome 2130QB - Chevrolet

2011 - 2011 Coachmen Freelander Motorhome 21QB - Chevrolet

2008 - 2008 Four Winds 5000 Motorhome 21RB - Chevrolet

2000 - 2003 Coachmen Catalina Sport Motorhome 220RK - Chevrolet

2007 - 2009 Coachmen Freelander Motorhome 2230RK

2008 - 2008 Fleetwood Jamboree Sport Motorhome 22B

2008 - 2008 Fleetwood Tioga Ranger Motorhome 22B

See All Vehicle Fits



Video of SuperSprings Suspension Stabilizer and Sway Control Kit - OEM Leaf Springs Above Axle


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for SuperSprings Custom Suspension Stabilizer Review

Speaker 1: Today we're going to be taking a look at the SuperSprings lines of custom suspension stabilizer and sway control kits. You'll want to use etrailer's fit guide to determine the correct kit for your vehicle. Here's what our SuperSprings are going to look like once we have them installed. Now these are going to give us the support we need whenever we're hauling a heavy load or towing a heavy trailer. Typically, whenever we're hauling something extremely heavy our suspension wants to flex a lot and our back end sags down. Well these are going to provide us the extra support by activating whenever our suspension flexes, the rollers on the end of our leaf spring are going to activate our helper spring and provide us that extra support.

But also still giving us a nice ride when we're not towing something heavy, because it's going to deactivate those springs and still have a nice comfortable ride.And since they are attached to the front and back of our factory leaf springs, it's also going to act like a sway bar and it's going to prevent our leaf springs from twisting. Giving us a lot more stability when we're driving down the road. The multiple notches in the end here are going to provide us with a little bit of customization, depending on how much support we need. If we need more or if we just have a little bit of spring fatigue in our truck, it'll give us that little bit of lift so whenever we're towing something we don't have quite as much sag.We have a water tank in the bed of our truck as a heavy load or to simulate the tongue weight of a heavy trailer or a fifth wheel. So as I take the truck through my test course, I can definitely tell that there's a load back there.

The engine doesn't seem to be straining that much, but the bumps are extremely harsh and I can definitely feel it resonating through the seat. When I come to the slalom course and I'm going through the turns it definitely has a lot of body roll and I just generally feel like I need to slow down because it feels like it's leaning a lot and it's not responding quickly enough to the turns.The SuperSprings installed and I have the same load back there. When I'm driving through our course I can immediately tell a difference. The bumps aren't as harsh because the truck isn't sagging down as much and there's a little bit more support back there. But really where I tell a big difference is through the slalom course.

It definitely feels way more stable and even taking the turns going in and out, it just feels like it really wants to stick to the ground a lot better and just generally wants to go faster.Compared to airbags, these are a maintenance free option with no tubes to run or air pressure to maintain. Similar to airbags you can customize the level of support provided. Unlike airbags however you do this during the installation and set it one time rather than on the fly adjustability you get with airbags.And that completes our look at the SuperSprings line of custom suspension stabilizer and sway control kits.


Customer Reviews

SuperSprings Suspension Stabilizer and Sway Control Kit - OEM Leaf Springs Above Axle - SSA8MTKT

Average Customer Rating:  4.7 out of 5 stars   (49 Customer Reviews)

1,500-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle.

- SSA8MTKT
by:
2012 Chevrolet Silverado 1500

Easy install, I’m 71 years old, it took me 140 minutes to do the installation. I haven’t towed with them yet but the truck ( 2012 GMC 1500) rides and handles much better. These are very pricey but so far so good! 553679



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Easy to order with fast shipping. Product was easy to install. Looks great on my F-150. 553025



- SSA15MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


great product fast shipping easy install improved ride and towing thanks guys will be ordering from ya again 156601



- SSA5MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


easy to install, hope they work as good as advertised and installed. will find out soon 235384



- SSA29
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


This product is excellent and easy to install w/o altering or affecting any OEM parts or infrastructure. It's truly an add-on. The springs added about 2-4 inches of clearance and balanced load more evenly throughout the vehicle. I noticed how the vehicle drove and cornered much better as well as adding to a balanced vehicle appearance. I'm very impressed and happy. Prior to installation I had loss of traction in front steering and that was gone after installation. I would not hesitate to buy this product again or to recommend it to anyone. The pricing and service was excellent. I love.......the product. I've attached a photo with a add-on trailer-hitched basket with weigh of about 300 lbs of overhang on the back of the vehicle. As you can observe the vehicle remains level and balanced with the load. 74881



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Removed these put back in the box I did not like the way the truck handled 418802



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Product was delivered quickly and in good condition. These springs worked great on my 2003 F-150. They did add about 1" of lift to the rear end of the truck, but make for a level ride when trailering my boat or equipment trailer. 162484



- SSA4
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Product does just what it says it does. Installed them on a Thursday and towed with them that weekend....... and they did a great job. Handled the tongue weight of my dump trailer better. I did notice a decreased amount of "wave" effect when you are in tow and your heavy trailer hits a bump or swale in the road; and transfers that energy to the truck. Sorta feels like you got a heavy tail that someone is tugging on. This was significantly reduced and made for a pleasant ride Later on Sunday then threw a load of firewood (no trailer this time) in the bed full; and in comparison of a previous haul with wood the truck did not sag as much. My truck config is stock, double cab w/ 8' bed 4x4. I did not notice a stiffness in ride with and empty bed or no trailer in tow. Seemed to be just fine. Slightly raised the rear but with the long truck it is hardly noticeable. One part of the installation was a little difficult, when it came time to compress the leaf it was a bit of a chore. I did have a 5" c-clamp but it was getting tough the last few inches to get the roller underneath the stock leafs. If I had a special leaf spring clamp tool as shown on some of the youtube vids I would have been done in about a 1/2 hour but with out this tool it makes the compression part slow. 145702



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


I installed these on my 2013 F150 they fit great lifted the truck about 1inch but did not affect the ride. When I pull my 8X17 fish house the truck sits nice and level now. Other sites recommended the install kit which is not needed on this vehicle. E trailers was great to order from. Shipping was a week early. 464111


Comments

Still stand by this product, all of my future trucks will have super springs. Still a nice ride and no noise.

Michael - 12/31/2018

48117

- SSA13MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Spring are great and easy to install... ..... 166185



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


These springs improved the ride considerably , less roll on corners with the slide in camper on and wheel hop on rough roads . In general the handling was much improved. 441128



- SSA4
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


These Supersprings are great! I carry my snowmobile in the back of my 2007 Tundra. The trucks ride is noticeably more firm without the bottoming- out that I had been experiencing. Pretty easy to install. Probably took me 6 hours maybe a little less. The worst part was getting my rear tires removed. The directions said this was not necessary but I highly recommend taking them off. Great product so far! ***** 5-Star rating from me! Ray Z. 33142



- SSA39
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


The instructions were a little unclear but once we started installing them they went on easy. and are working well. 234024



- SSA6MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


These helper springs worked well. My truck didn't sag nearly as much with similar loads in it than it did before. Probably raised it around 4-5 inches when loaded and about an inch when not. Only complaint is the bolts holding the product to the adapter for a spring over axle setup are not of a high grade. They broke, but I may have overtightened them. I replaced them with some grade 8 bolts from the hardware store. They are only needed to hold the new spring in place when the vehicle is raised off the ground. They don't affect the performance of the product. 247201



- SSA11MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


The kit looks really good but I can’t figure out how to install. Enclosed are two photos showing my van suspension and the parts your sent. The instructions do not show my van with only one spring. Can you advise?????????????? Thanks. 603418


Comments

If you look at page 4 of the instructions which Ive linked for you, you can see photos showing a single leaf spring set up just like whats shown in the photos you provided thanks for the photos!. Im guessing that page was not included in your instructions for some reason.

-- Mike L - 02/08/2019

49307

- SSA15MXKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


This product is a must if you are looking for a pleasant ride empty, yet still have additional capacity when you need it. I purchased it because I haul a Lance 1062 camper and was not pleased with the air bag setup I had been using. The air bags would handle the load just fine, but I got a lot of side to side motion while going around corners. I even set each air bag up independent of the other. The SSA15 kit eliminated the side to side motion. It really does act like a sway bar. I recommend you remove the rear tires when you install, it will make it much easier. 485410



- SSA15
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


I just finished the installation. I ran into a few problems specific to the 2008 F350 dually that were not called out in the instructions. I had to loosen all of the parking brake cable mounts running along the spring on the left side to get the spring in, and I had to modify the brake cable bracket that mounts on the axle u-bolt bracket. It still only took about 1 1/2 hours to complete the job. I used the bottom hole on the front shackle and the center hole on the rear shackle and got about 2 inches rise which I needed for the Lance 1181 Camper I haul. It rides and performs much better than I expected. Great product that performs as advertised! 86608


Comments

Still good! No problems to report.

Larry L - 12/29/2014

8254

- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


This is the 3rd set of supersprings I have purchased. I am completely satisfied with each set. I have a set on a 30 foot class C motor home and it solved a swaying problem plus giving a better ride. I had a set on a F 150 that I sold, so when I got a new pickup I needed another set. The supersprings completely solve any towing and hauling issues. I have a Ranger pickup that I tow behind the motor home and haul a motorcycle in it. The motorcycle makes the little pickup sag so I will be ordering a set of super springs for it. 227059



- SSA4
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


2013 Toyota Tundra 4x4. Installation went well in my garage with a medium sized C-Clamp. The ride feels that same as stock. Lifted the rear 1.5" which helped off set the 2.5" lift in the front from Fox 2.0 shocks. I have not hauled a load yet. 107263



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Part arrived and looked great. Very easy to install. Only two things that can be fixed is that the springs only go on one way and they are not marked front/rear, and its not real clear how the the rubber spacer is used. I installed these on a 2005 ford F-150 Supercrew and I pull a 30 foot travel trailer. I have installed air bags to level the truck/trailer, but at 50psi the kids in the back seat got beat up due to the poor ride. I'm hoping these springs will level the truck/trailer and give us a better ride. We going up north this weekend and I hope i can re-post how the trip went. 280234



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


After having used partial and full ‘add-a-leaf’ kits on fleet trucks in the past, I was willing to give these a try. Having missed the stiffness of a 2500 rear end and having put 125k on a 1500 with a topper/camper shell, this was the progressive stiffness I was looking for. The vehicle sits 1.5” higher at the rear, isn’t overly stiff, alowing the Bilstein shocks to continue to do their job, properly. Adding the tow behind camper, along with a loaded bed, far less body sway without a compromised ride. I also utilized the SumoShocks (front and rear), for some time and I love them. Having everything together, as a package, works great for me when towing, the bed is loaded down and when I’m traveling 2hrs at a time from place to place, as a highway truck. This will take some serious C clamps (8” from hardware store) and some mechanical aptitude if using a jack and stand(s) in the garage. Overall, not too strenuous or hard. Nothing intimidating. I’d definitely recomend to anyone wanting to help tired leaf springs or when reducing body roll. 557350



- SSA4
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


I got this to prevent bottoming out my truck when towing our travel trailer. Won't know for sure if this actually works until we load up. Having said that, the instructions provided with this are poor and talking with Supersprings tech support was frustrating. As mentioned elsewhere, you will need two "C" clamps to pre-load the spring and I wound up fabricating a 3" extension bracket for the brake lines; neither of which were mentioned in the instructions. I also removed the wheels to provide working space and air tools are definitely the way to go. On my '13 Tundra, the distance between the stock spring pack straps is 40" the same as the distance between the eyes on the Superspring. I was advised that the spring is mounted off-center to avoid conflict with the stock spring straps; however this in not mentioned in the instructions. This placed the Superspring about 4" forward of the center of the axel instead of centered on the axel. (see photos) This seems counterintuitive to me but we'll see. This added 1.5" in height to the rear of the truck. It took me 4 hours to install by my self, including time to fabricate the brake line extensions and dealing with Supersprings staff twice on the phone. During the second call, the tech mentioned that they get a lot of phone calls for Tundra installs, indicating to me that they already know there are issues with the product and instructions. In retrospect, I would look for a new spring pack if I was doing this again. Hopefully my suspicions are unfounded but I'm hanging on to the box just incase. Etrailer was great with the best price anywhere and quick shipping. 108092



- SSA4
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Great item!! The Supersprings performed just as described. No more sag in the suspension and the benefit of better control. Installation was an hour with the help of an experienced mechanic and the right tools. If it wasn't for removing of the bumb stops on the axle, installation would have been faster. Expensive product, but it is a quality product and made in the USA. After install, the springs raised the rear of the truck about 2" to 3" when unloaded. Best part is that the springs didn't cause the truck to ride rough when unloaded. 21988



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Just installed and I loved how easy it was took 30 min tops. I expected a much stiffer rear end with the bed empty but was pleasantly surprised at how smooth the ride remained. I did notice a more stable and responsive feel while driving. All in all super impressed with the product so far, shipping was fast (ordered Saturday and received Wednesday, in canada) everything I needed was in the kit and it only raised the rear end up about 1/2". 316290



- SSA11
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Box was damaged but everything was there and in good shape. To many pages that were not for my truck and not sure if I need all the mounting parts as my instructions page say's I dont need them. 581676



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


It a good product for 2017 Ford f150 except 1 factor that it had to mounted more toward the rear and the no bracket to hold it in place if I get a tire rotation or lift the vehicle from the rear the spring roll away and need to clamped while lowering the vehicle. I contacted Super directly to there warranty department and they sent me a lock down kit. It also Lifted the truck about a inch on low setting so I'm sitting at 39 inch in rear. 505177



- SSA4
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


product was missing two washers and came in a weathered box that indicated it was a returned item re-shipped for my use a more thourough inspection of this kit and a new box would have made a difference. the product has performed well and i prefer it to airbags that must be monitored for air pressure. i have not tested it under load yet but it has good potential 241598



- SSA7MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Fit as stated by manufacturer and delivered on time. 145167



- SSA29
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


E-trailer agent James helped find trailer tow package that fit my 2011 Ford Transit Connect and provided appropriate install video. You're a huge help James. The install went smoothly without a hitch (lol). 650553



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Works perfect. Towed a 10 ft. trailer loaded with furniture from Chicago to Florida. No sway or shaking the entire trip. I would purchase them again. I have a 2016 F150 2wd. 638592



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Easy install and they do what they are supposed to do. 621653



- SSA41
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


The Superspring SSA41 is high quality and fairly easy to install. I would recommend it to any one that owns a medium size motorhome. 612740



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Does exactly as advertised but it is noisy at times when braking or accelerating. When I buy a new truck I will be putting a set of super springs on it. 609641



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


The super springs installed easily. Won't be able to try them out for a few months, waiting for the camping season. 604770



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


yes everything is here it looks good iam putting springs on this weekend 601893



- SSA7MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


looking for something that would allow me to haul/pull a little more weight, this is it. was easier to install than I thought it would be. could tell the difference right away. have a smaller travel trailer, this took almost all the sag away. 596244



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Installed on my 2018 Raptor and got 2.5 inches of lift back. I do overland with about 650lbs of gear on the back so I wouldn't expect the same results if you are not running as heavy as I am. I could immediately feel the ride difference and the install took less than an hour. 580228



- SSA7MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Very pleased! There are two settings, but I prefer the heavier capacity setting and higher in the rear feeling. It has made all the difference in the world with my long wheelbase 2002 Chevrolet Astro Van. I really do not feel that it has changed my ride comfort that much, very little, if any. I always have some kind of load on the van, whether hauling cargo in the van, or towing a trailer, that my ride is still as smooth as always. But, the remarkable thing is, that now my rear end isn't sagging to the ground like it always use to be, even without a load! I'm super pleased and would recommend these springs to everyone for the reasons I've shared above. 563128



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Easy to install. Made a huge difference in sag and trailering a heavy load. Well worth the money 525093



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Always great service, fast shipping and the right part. I will keep ordering from etrailer. 499567



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


After trying leaf spring helpers and switching them out for super springs what a night and day difference. They've held up great! Made a huge Improvement 442338



- SSA13
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


I bought this product for my 2001 F250 that I use to haul a 24' gooseneck horse trailer typically loaded with about 3000-4000 lbs of cargo. My truck was squatting and I was experiencing sway, expecially on the interstate when passing tractor trailers. The super springs greatly improved my truck's suspension and performance when hauling. I would highly recommend this product. 427319



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Very easy install , used this product on previous vehicles and they do the job. etrailer is an excellent company to deal with! 360918


Comments

Fantastic

Scott H - 04/03/2018

36781

- SSA12
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Perfect fit. Very easy to install, about 30 min. per side. Greatly helped the ride and stability of my E250 Super Duty and as always etrailer was great. 259666



- SSA6MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


These helper springs worked well. My truck didn't sag nearly as much with similar loads in it than it did before. Probably raised it around 4-5 inches when loaded and about an inch when not. Only complaint is the bolts holding the product to the adapter for a spring over axle setup are not of a high grade. They broke, but I may have overtightened them. I replaced them with some grade 8 bolts from the hardware store. They are only needed to hold the new spring in place when the vehicle is raised off the ground. They don't affect the performance of the product. 247200



- SSA5MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Superspring purchase was right on the mark. Gave George J. all the info on my truck, rv and what I was experiencing. He suggested the SSA5MTKT springs that they should take care of my problem. I installed them in 45 minutes, hooked to my rv and made a pull. I was able to pull at 65 and 70 mph with minimal bouncing and rocking. An increase of 1" in loaded ride height and 10-15 mph was perfect. Thanks George J. and the staff at Etrailer.com 229763



- SSA28
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


The installation was easy and straight forward. I removed the tires which gave me great access to install the springs. The ride is smooth and stable. I would recommend this product to others. 226686



- SSA5MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Good product and very easy to install! Would recommend these springs to anyone. 215531



- SSA14MTKT
by:

Review from a similar SuperSprings Sway-Control in Vehicle Suspension


Springs arrived one day earlier than promised then the mounting kit arrived the next day, on time. Checked for the fit of the mounting kit and it clears the axle and bolt sticking up through the existing springs, but didn't check clearance for the springs yet, will wait until I have more time and actually install them. The springs and mounting kit look strong and should do their job. 157578


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  • Timbren or SuperSpring Suspension Enhancement for 2013 Chevrolet Silverado
  • Both the Timbren Suspension Enhancement System # TGMRCK15S and the SuperSprings Suspension Stabilizer # SSA8MTKT are great options for leveling the rear axle of your 2013 Chevroler Silverado 1500 when towing your travel trailer. Both systems actually do a nice job at maintaining a smoother ride when the vehicle is unloaded. I recommend the SuperSprings Suspension Stabilizer # SSA8MTKT over the Timbren because the suspension reinforcement it provides is a bit less noticeable over bumps...
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  • Will SuperSprings Stabilizer and Sway-Control Kit # SSA8MTKT Correct 6000-lb Trailer Sway
  • The SuperSprings Stabilizer and Sway-Control Kit # SSA8MTKT will fit both 2- and 4-wheel-drive models of the 2000 Chevrolet Silverado 1500 LD. The link provided will let you see all rear axle suspension products for the 2000 Silverado; you can use the drop-down menu bar at the top of the page to select your particular vehicle to see only those appropriate for your truck. These helper leaf springs provide selectable reinforcement to OEM leaf springs and can be installed to provide increased...
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  • Best Suspension Helper Springs for a 2014 Chevy Silverado 1500 4x4 with 2 Inch Block Lift
  • If the blocks on your 2014 Chevy Silverado 1500 lift just the body and not the suspension then you can still use Firestone air bags # F2430. If it is a suspension lift then they would not fit properly. The suspension can still travel but depending on how much air pressure is in the bags it will not travel as much. The more air the less travel. What I recommend if the truck has a suspension lift is to use SuperSprings # SSA8MTKT or # SSA5MTKT (for stock leaf spring stacks above the...
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  • Can Super Springs be Installed on a 2002 Toyota Tundra 4x4 TRD with a 2 inch Block Lift
  • I spoke with my contact at Super Springs and the Custom Suspension Stabilizer and Sway-Control Kit, # SSA8MTKT, that you referenced will work on your truck with the bump stop on top of the springs and the 2 inch leveling kit you have. I attached a photo showing the bump stop you referred to and showing other images of the installation that should be helpful. see link.
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  • Suspension Enhancement for a 2009 Ford F-150 with a 5th Wheel Trailer Hitch Installed
  • Actually, there are currently no Firestone Air-Ride products for a 2009 Ford F-150. We do have other options that will not interfere with the 5th wheel trailer hitch. You can use SuperSprings Custom Suspension Stabilizer and Sway-Control Kit, # SSA8MTKT. Another option is to use a Timbren system, # TFR1502D, for a 2 wheel drive, or # TFR1504D, for 4 wheel drive. These springs install on the inboard side of the frame rails so they will not interfere with the hitch. Either the SuperSprings...
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  • SuperSprings Suspension Enhancement Recommendation for a 2007 Ford F-150
  • For your 2007 Ford F-150, if the trailer when loaded and ready to tow is less than 7,500 pounds, then you would need the SuperSprings, # SSA5MTKT. If the total weight is greater than 7,500 pounds you would need # SSA8MTKT. Either kit will fit depending on the weight of the load you will be towing. I have included links to the installation instructions for both sets along with a video showing a typical installation.
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  • SuperSprings Suspension Stabilizer Recommendation for a 2009 Chevy Silverado 1500
  • For as heavy as your trailer is I would go with the heavier duty version of the SuperSprings part # SSA8MTKT over the lighter duty # SSA5MTKT. I would imagine you are pretty close to the towing capacity of your 2009 Chevy Silverado 1500 with a 5.3 liter so the heavier duty kit would be the one to use. These kits also help greatly with reducing sway the kit I recommended would be a great choice.
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  • Recommended Suspension Product to Reduce Bounce in Chevy Express 2500
  • If the load in the cargo area of the van will fluctuate quite a bit, I'd go with an adjustable alternative like the Air Lift # AL57205 air suspension. You can easily tailor the stiffness of the springs to the load you're carrying, rather than using the jounce bumper type option like the Timbren # TGMFK15A, which typically won't come into play until there's a load being carried on the rear vehicle axle. The air bag suspension can be supplemented with the addition of an onboard compressor...
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  • Recommended Suspension Enhancement For 1996 Roadtrek Class B Motorhome
  • We have a system that will work great on your 1996 Roadtrek. I recommened the Roadmaster Active Suspension Kit, part # RAS4612-DV. This system not only adds strength to the leaf springs but it also helps reduce sway and body roll. I called my contact at Roadmaster and they said you will want to make sure you have at least 4-inches clearance above the leaf springs from the center of the axle back to the rear eye on the leaf spring to get this to work.
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  • Ways to Reduce Sag on 2006 Chevrolet 1500 Long Bed Towing Equipment Trailer with Pintle Hitch
  • In order to decrease the amount of sag that you experience on your 2006 Chevrolet 1500 when towing an equipment trailer with a pintle hitch, I recommend taking a look at the SuperSprings Custom Suspension Stabilizer and Sway-Control Kit. These helper springs install above your rear factory leaf springs to reduce sway and prevent sagging when hauling a heavy load. If your Chevy pickup is the 1500LD, you will need part # SSA8MTKT and for the 1500HD, part # SSA10MTKT. You are correct, a...
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  • Troubleshooting SuperSpring Install on a 2006 Ford F150 Where the Spring is Hitting Frame
  • It looks like you need to reposition your SuperSpring part # SSA8MTKT on the leaf spring of your 2006 Ford F150. I spoke to my contact at SuperSprings and was informed that they do not need to be perfectly centered on the spring, and based on the pictures it looks like you have it pushed to far to one side to work properly. The bracket of the # SSA8MTKT needs to be on the other side of the clip on your vehicle leaf spring. Check out the picture I attached for further explanation. The...
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  • Differences Between K Source Custom Towing Mirrors, Recommended Sway Control For '03 Chevy Avalanche
  • The only difference is K Source Custom Towing Mirrors, part # KS62075-76G have LED turn signals and # KS62075-76GE do not. Other than that they are the same product. Air Helper Springs, like The Firestone Ride-Rite # F4108, will help control sway on rough terrain, but the main purpose of air helper springs is to keep your vehicle level when hauling heavy loads and level off-center loads. Since you already have a weight distribution system with sway control and feel like you need more...
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  • SuperSprings Mounting Kit Recommendation for a 2014 GMC Sierra 1500
  • I checked your order notes and based on the fact that you previously ordered the Super Springs part # SSA8MTKT for your 2008 GMC Sierra you had either a 2wd or 4wd 1500 Sierra. This is the same kit recommended for your 2014 Sierra that I am assuming is also a 1500. For just the mounting hardware you would want the SuperSprings Mounting Kit # MTKT.
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  • Compatibility of Roadmaster Active Suspension with Timbren Springs on 2000 Ford F-150 2WD
  • The Roadmaster Active Suspension Kit # RAS4612 is the only confirmed fit for your 2000 Ford F-150 2WD. When you mentioned it won't fit with the Timbren rubber spring, it threw a couple flags for me, so I just want to clarify. The systems are not designed to be used in tandem, you would only want to use one or the other in this case. The mounting plates on # RAS2612 and # RAS2691 are not a fit for your vehicle. That bracket type will not work on your vehicle. If you want to have...
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  • Weight Distribution System Recommendation for Reducing Sag on 2007 Chevy Silverado When Towing
  • Actually what you want is a weight distribution system instead of additional suspension support. What's great about weight distribution systems is that they not only reduce suspension sag but since they distribute some of the weight to the front axle of the tow vehicle they greatly help suspension sag and improve braking. The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also...
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  • Rear Suspension Enhancement for a 2002 Dodge Ram 1500 4x4 Quad Cab
  • All of the install kits for the Draw-Tite Hide-A-Goose # 9464, have the brackets on the out side of the frame rails. The Firestone Kit, # F2286, installs on the bottom of the rail. However, it has a bracket that goes on the outside of the rail so it and the gooseneck would interfere with each other. Instead, you can use the SuperSprings Vehicle Suspension, # SSA8MTKT. These springs do not mount to the frame so they should not interfere with the gooseneck hitch.
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  • Availability of SuperSprings Stabilizer and Sway-Control Kit for 1991 GMC Jimmy
  • The SuperSprings Stabilizer and Sway-Control Kit # SSA8MTKT will fit both 2- and 4-wheel-drive models of the 1991 GMC Jimmy. These helper leaf springs provide selectable reinforcement to OEM leaf springs and can be installed to provide increased ride height if desired. These bolt-on maintenance-free helper leaf springs will automatically deactivate when the suspension is not under load. They will help to prevent twisting of the OEM springs and will help compensate for minor spring fatigue...
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  • Are SuperSprings Sold in Pairs or Single Units and How Do they Compare to Other Suspension Products
  • The SuperSprings Custom Suspension Stabilizer and Sway-Control Kit, # SSA8MTKT, comes with two springs, one for each side of an axle. One benefit of SuperSprings is that they are customizable. You can adjust them to increase load support and ride height. Another setting is for a more OEM ride condition. And a third setting balances support, height, and ride comfort. I have included a link to the installation details below. The Timbren suspension enhancement units offer similar support...
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Info for this part was:

Video by:
Andrew K
Expert Research:
Robert G
Expert Research:
Michael H
Written by:
Tricia G
Expert Research:
Jameson C
Expert Research:
Brandon M
Expert Research:
Adam R
Photos by:
Zach O
Updated by:
Mary E
Updated by:
Jenny M
Installed by:
Robert C

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