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  1. Vehicle Suspension
  2. SuperSprings Intl
  3. Leaf Springs and Helper Springs
  4. Towing/Load Leveling
  5. Light Duty
  6. Rear Axle Suspension Enhancement
SuperSprings Custom Suspension Stabilizer and Sway Control Kit - Factory Leaf Springs Above Axle
SuperSprings Intl

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

Part Number: SSA16MXKT
In Stock
$654.98
Vehicle Suspension

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1,650-lb Capacity. Upgrade your vehicle's rear leaf spring suspension with these helper springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for factory springs that sit above the axle. Great Prices for the best vehicle suspension from SuperSprings Intl. SuperSprings Custom Suspension Stabilizer and Sway Control Kit - Factory Leaf Springs Above Axle part number SSA16MXKT can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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SuperSprings Intl Vehicle Suspension - SSA16MXKT

  • Leaf Springs and Helper Springs
  • Towing/Load Leveling
  • SuperSprings Intl
  • Light Duty
  • Rear Axle Suspension Enhancement
  • Helper Springs

1,650-lb Capacity. Upgrade your vehicle's rear leaf spring suspension with these helper springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for factory springs that sit above the axle.


Features:

  • Reinforces your vehicle's rear suspension with extra leaf springs that prevent sagging and reduce sway by up to 30 percent
    • Works like a sway bar to stabilize your factory springs and keep them from twisting
    • Compensates for windy conditions, wind turbulence from big rigs, and weight shifts while cornering
    • Lifts your vehicle when you are carrying a heavy load and prevents bottoming out
  • Adjusts automatically to your payload
    • Rollers on each end of the SuperSprings activate when the factory springs flex under load
    • Rollers deactivate when factory springs aren't under load
  • Offers different settings so that you can customize the system to your needs
    • Choose a setting that increases load support and ride height for constant heavy loads or to compensate for minor spring fatigue in an older vehicle
    • 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
  • Extends the life of brakes, tires, and factory suspension
  • Requires no maintenance - no tubing or air pressure to monitor or adjust like air springs
  • Installs easily - no drilling required
    • Bolts on above your factory leaf springs
  • Includes a mounting kit for installing SuperSprings over factory leaf springs that sit above the axle
    • Ensures that SuperSprings operate silently when your vehicle isn't loaded
    • Comes with extended-length U-bolts to fit factory spring packs that are greater than 2-3/4" tall
  • Made in the USA


Specs:

  • Weight capacity: 1,650 lbs
    • SuperSprings will not increase your vehicle's weight-carrying capacity
  • U-bolt length: 5-1/4"
  • Limited Lifetime warranty
  • 30-Day satisfaction guarantee


Mounting Kit for Factory Springs Over the Axle

SuperSprings diagram of springs set above the axle

An additional mounting kit is included for installation on suspensions with leaf springs that sit above the axle. This mounting kit ensures that the SuperSprings operate silently when your vehicle isn't loaded. The brackets in the mounting kit act as fulcrum points on the underside of the SuperSprings. Furthermore, the shackles at the ends of the SuperSprings hold the spring 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.


SuperSprings Suspension Enchancement

SuperSprings diagram of roller and shackle system for extra leaf spring

These additional leaf springs add support and sway control to your existing factory suspension. Just bolt on SuperSprings over your factory springs, and they automatically work when you need them. As the factory spring flexes, a roller at each end of the sturdy 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 factory 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 semi, 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.


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.


Customizable Suspension Support

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 different installation options:

  • For greater support and ride height when your suspension is under a constant load or if you have an older vehicle 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


SSA16 Super Springs Overload Spring Suspension Enhancer - Anti Sway

MXKT Super Springs Mounting Kit for OEM Leaf Springs Above the Axle - Extended U-Bolts

Installation Details SSA16MXKT Installation instructionsAlternate Instructions SSA16MXKT Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

4.7

57 reviews
1,650-lb Capacity. Upgrade your vehicle's rear leaf spring suspension with these helper springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for factory springs that sit above the axle.

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



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



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Simple to install. Completely eliminated all sag especially loaded. Very pleased!!!



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Very good product easy assembling and works great



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



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Awesome! easy to install
Makes big difference
when towing 6000lb loads



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Fit as stated by manufacturer and delivered on time.



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works great big difference was easy to install all parts were in box durable



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



by:

The staff at etrailer really did a good job on my order , they made sure that it’s the right part and keep me updated on the status of delivery.


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See what our Experts say about this SuperSprings Intl Vehicle Suspension

  • Which SuperSprings Fit 2024 Chevrolet Silverado 2500 2WD
    Hi Jonathon; the SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA13MXKT and # SSA16MXKT both fit your 2024 Silverado 2500. If I were to choose one it would be the # SSA13MXKT with the higher level of support. I'm assuming you're towing or hauling some fairly heavy things in that truck if you're looking for suspension enhancement so the 3,000 lb weight capacity is the better option and worth the money you'll be spending.
    view full answer...
  • Recommendation to Reduce Sway on 2022 Chevy Silverado 2500 With Firestone Ride-Rite Air Bag Helpers
    I recommend looking into the SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA16MXKT to pair with the Firestone Ride-Rite Air Helper Springs # F2613 on your 2022 Chevrolet Silverado 2500HD. These are confirmed to fit while the TorkLift StableLoad Rear Suspension Upgrade # TLA7311 you found will not fit your truck. The SuperSprings are always active so you will not have to turn them on or twist them off every time you wish to activate and deactivate them.
    view full answer...
  • Comparing SuperSprings Custom Suspension Stabilizers for 2016 Chevy Silverado 2500
    I recommend the SuperSprings Custom Suspension Stabilizer and Sway Control Kit part # SSA13MXKT for a 2016 Chevrolet Silverado 2500 which is rated at 3,000 lbs over part # SSA16MXKT which is rated for 1,650 lbs. The reason being, the heavier trailers; larger gooseneck, fifth wheel, and in-bed campers will see greater benefits from the higher capacity whereas smaller bumper pull trailer will see benefits from the lower capacity.
    view full answer...
  • Correct SuperSprings for a 2017 GMC Sierra 2500
    The correct SuperSprings Custom Suspension Stabilizer and Sway Control Kit (part # SSA16MXKT rated for 1,650 lbs or part # SSA13MXKT rated for 3,000 lbs) for your 2017 GMC Sierra 2500 will largely be dependent on the amount of weight you are carrying/towing. If you can let me know how much weight you are carrying/towing I would be happy to make an exact recommendation. That said, the part # SSA16MXKT would have you covered for most applications and it would not affect the ride too much...
    view full answer...
  • SuperSprings Custom Stabilizer and Sway Kit For a 2004 Chevrolet Silverado 2500HD
    The SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA15MXKT will fit your 2004 Chevrolet Silverado 2500HD. These are designed to assist up to 2,600lbs of weight with trucks that have the leaf springs mounted above the axle. This will not increase your weight capacities they are only assisting your suspension. You also have the option to use the SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA10MXKT. This has a lower weight rating at 1,650lbs capacity....
    view full answer...
  • Can SuperSprings Be Used in Conjunction with Air Bags
    As long as the installation of the airbags on the truck and the SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA16MXKT do not interfere with one another combining them will be an improvement.
    view full answer...
  • Comparing The SuperSprings SSA16 And SSA13 For A 2012 GMC Sierra 2500 Denali 4x4
    Hey Scott, I try to stick around the payload capacity of the vehicle when choosing this type of suspension enhancement. Anything more is pretty much just overkill and can sometimes negatively affect your ride quality. The SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA16MXKT has a 1,650lb load leveling capacity, which is almost twice what you're hauling so it'd be the better option unless you plan on hauling heavier in the future. SuperSprings only activate as weight...
    view full answer...
  • Which Super Springs for 2019 GMC Sierra 2500 for Towing 5th Wheel Trailer with 1400-lbs Pin Weight
    Yes. The Sumo Springs Super Springs # SSA16MXKT are a great choice to help give you a bit of extra support when towing your 5th wheel. These aren't going to create any lift when the truck is unloaded and will only activate when the truck is under a load to help keep the ride height factory at all times, so they're a great solution for your 2019 GMC Sierra 2500. These springs will also help reduce sway and prevent sagging to improve the safety of your towing experience, as well. If vehicle...
    view full answer...
  • How to Determine Which Hole Setting to Use When Installing SuperSprings # SSA16MXKT
    There are different situations where SuperSprings recommends using different bolt holes of the # SSA16MXKT to give you the optimum support and ride quality. For greater support and ride height when your suspension is under a constant load or if you have an older vehicle 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,...
    view full answer...
  • Replacement Parts For Thule Telescoping Ladder # TH301404
    When it comes to replacing parts on The Thule Telescoping Ladder for Vans - 9 Steps - 8-1/2 foot # TH301404 we do not have replacement parts. You will have to purchase the whole kit. The ladder can easily attach to the vehicle wall using the magnetic fixation kit which is included. I attached a review video link below.
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Info for this part was:

Employee Leah B
Edited by:
Leah B
Employee Andrew K
Video by:
Andrew K
Employee Matthew G
Video by:
Matthew G
Employee Jameson C
Expert Research:
Jameson C
Employee Mary K
Written by:
Mary K
Employee Wilson B
Updated by:
Wilson B
Employee Alex H
Updated by:
Alex H
Employee Noah M
Updated by:
Noah M
Employee Jonathan Y
Video Edited:
Jonathan Y
Employee Robert C
Installed by:
Robert C
Employee Matthew B
Test Fit:
Matthew B

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