FITS 1992 GMC C/K Series Pickup
SuperSprings Custom Suspension Stabilizer and Sway Control Kit - Factory Leaf Springs Above Axle

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

Item # SSA13MXKT

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Vehicle Suspension
Confirmed to Fit
1992 GMC C/K Series Pickup

2500

3500 - Pickup

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SuperSprings Rear Axle Suspension Enhancement - SSA13MXKT
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The best technical support and full vehicle suspension installation instructions. Lowest price C/K Series Pickup vehicle suspension guarantee and expert service. GMC C/K Series Pickup, 1992 vehicle suspension by SuperSprings are available from etrailer.com. For expert service call 800-298-8924 to order your SuperSprings Custom Suspension Stabilizer and Sway Control Kit - Factory Leaf Springs Above Axle part number SSA13MXKT, or order online at etrailer.com.
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1992 GMC C/K Series Pickup - SuperSprings Custom Suspension Stabilizer and Sway Control Kit - Factory Leaf Springs Above Axle

  • SuperSprings
  • Leaf Springs
  • Heavy Duty
  • Rear Axle Suspension Enhancement
  • Constant Load

3,000-lb Capacity. Upgrade your GMC C/K Series Pickup'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: 3,000 lbs
    • SuperSprings will not increase your vehicle's weight-carrying capacity
  • U-bolt length: 5-1/4"
  • Warranty:
    • 5-Year limited for non-commercial applications
    • 2-Year limited for commercial applications


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


SSA13 Super Springs Overload Spring Suspension Enhancer - Anti Sway

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



SSA13MXKT Installation InstructionsInstallation Details SSA13MXKT Installation instructionsSSA13MXKT Installation InstructionsAlternate Instructions SSA13MXKT Installation instructions

Video of SuperSprings Custom Suspension Stabilizer and Sway Control Kit - Factory 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.

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Ask the Experts about this SuperSprings Vehicle Suspension

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  • Installation of SuperSprings Stabilizer and Sway Control Kit SSA13MXKT on 2016 Chevy 2500 HD Diesel
  • Yes, one of the features of the SuperSprings Custom Suspension Stabilizer and Sway Control Kit # SSA13MXKT is the ability to alter ride height. 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...
    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...

  • Suspension Enhancement Recommendation for 2018 Chevy Silverado 2500HD with Truck Bed Camper
  • For your 2018 Chevy Silverado 2500 the Timbren kit part # TGMRCK25D is a confirmed fit and would work well. For in bed campers most people really like the SuperSprings like the part # SSA13MXKT as this provides additional support but also acts as an anti-sway bar which helps with top heavy truck bed campers.
    view full answer...


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Info for this part was:

Edited by:
Leah B
Video by:
Andrew K
Expert Research:
Adam R
Video Edited:
Dustin K
Written by:
Mary E
Installed by:
Robert C

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