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  1. Vehicle Suspension
  2. SuperSprings Intl
  3. Bump Stops
  4. Towing/Load Leveling
  5. Rear Axle Suspension Enhancement
  6. Light Duty
THIS ITEM IS NOT A FIT FOR
2010 Keystone Springdale Travel Trailer
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SuperSprings Intl

SumoSprings Solo Custom Helper Springs - Rear Axle

Part Number: SS77UJ
In Stock
$326.99
Vehicle Suspension
Not Confirmed to Fit

2010 Keystone Springdale Travel Trailer

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You load up for a weekend off the grid, knowing the weight will shift on rough trails. Instead of bracing for every dip, you drive with steady control and a smoother feel that lets you focus on the road ahead. Great Prices for the best vehicle suspension from SuperSprings Intl. SumoSprings Solo Custom Helper Springs - Rear Axle part number SS77UJ can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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SuperSprings Intl Vehicle Suspension - SS77UJ

  • Bump Stops
  • Towing/Load Leveling
  • SuperSprings Intl
  • Rear Axle Suspension Enhancement
  • Light Duty
  • Suspension Only

You load up for a weekend off the grid, knowing the weight will shift on rough trails. Instead of bracing for every dip, you drive with steady control and a smoother feel that lets you focus on the road ahead.


Highlights

  • Progressive Load Support: Compresses with weight for smoother control.
  • Reduces Rear Sag: Helps keep your stance level under load.
  • Improved Stability: Limits sway and body roll on uneven terrain.
  • Maintenance-Free Design: No air lines, leaks, or adjustments needed.
  • One-Piece Upgrade: Replaces factory bump stops with simple setup.
  • Vibration Dampening: Softens harsh rebounds and road feedback.
Made in USA

Features to know about

Stay Level When the Bed Gets Heavy: Progressive Load Support


Installed spring when it is not compressed Installed spring when it is compressed

When you load up gear for a trip or haul tools for the job, the rear end can start to squat and throw off your handling. These springs compress as weight comes on, adding up to 1,000 lbs of support at 50% compression so your truck stays more level and controlled.

Take the Edge Off Rough Roads: Micro-Cellular Cushioning

Rough trails and uneven pavement can make the back end feel harsh and bouncy. The closed-cell polyurethane design acts like a cushion, soaking up bumps and softening rebounds so the ride feels more settled instead of choppy.

Cut Down on Sway in Corners and Crosswinds: Progressive Resistance

You know that uneasy feeling when the rear starts to lean in a turn or shift in the wind. These springs firm up as they compress, helping reduce sway and body roll so the truck feels more planted when things get unpredictable.

Forget Constant Adjustments: Maintenance-Free Design

Air systems can be a hassle with lines, leaks, and pressure checks. This setup is a one-piece solution with no maintenance needed. Once it is in, you can just drive and not think about it again.

Simple Upgrade from Factory Stops: One-Piece Replacement

Instead of stacking add-ons, this replaces your factory bump stops directly. It is a clean, straightforward upgrade that works quietly in the background without changing how you use your truck day to day.

Smooth Out Loaded and Unloaded Driving: Consistent Rear Support

Some setups only help when fully loaded, but these stay engaged lightly even when you are not hauling. That means less rear-end bounce on daily drives and more control whether the bed is empty or packed.

Specs

Capacity:

  • 1,000 lb at 50% compression

Warranty:

  • Limited lifetime warranty
  • 30-day satisfaction guarantee


SSR-702-40 SuperSprings Sumo Springs Solo Rear Vehicle Suspension Kit for Trucks

Installation Details SS77UJ Installation instructions

This Product Fits The Following Vehicles




Video of SumoSprings Solo Custom Helper Springs - Rear Axle

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




Video Transcript for Review of SuperSprings Intl Vehicle Suspension - Towing/Load Leveling - SS77UJ

Hi, everyone. Steve here with etrailer. Let's take a look at the SumoSprings Solo Custom Helper Springs for your rear axle. Now, these fit a bunch of different year, makes and models of the Land Rover, so make sure you're double-checking the fit guide with your setup to be sure you have the right parts that fit your specific installation. Now, as I said before, these are gonna be for the rear suspension. They're a very simple upgrade designed to improve load support, stability, and overall ride quality.

And unlike traditional airbag systems that are out there, these are completely maintenance-free. There's no air lines, no compressors, nothing to adjust. You simply install them once and then they're always working. Now, these are made of a microcellular urethane material, so that's gonna give you a progressive spring rate on this set of about a 1,000 pounds at 50% compression. So these are gonna stay soft when they're unloaded like you see now.

And then when they get compressed down, they're gonna be giving you that firm support you need as the weight increases. So progressively, meaning if it was this much, it'll firm up just enough and to keep going until you're at that max of 1,000 pounds whenever they're 50% compressed. So that translate to less swag in rear end, reduced sway, better control of the vehicle, especially when you're hauling gear of different weights, whether you're towing campers one day, trailers the next, uneven loads in the back of your truck, things like that. So this is a great option for that. And it's a factory upgrade.

It replaces your factory bump stops, and then these engage when needed to work, especially on those bumps, harsh impacts and everything like that from daily travel. You get all the parts here included. For installation, make sure you're double-checking the installation instructions to be sure you're installing these the correct way and at the correct location. They do give you the hardware along with, it looks like some thread lock here in the tube for installation. Folks, that's gonna wrap up our quick look together at this one-piece SumoSprings Custom Helper Springs.

I'm Steven, thanks for watching.

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Info for this part was:

Employee Steven C
Installed by:
Steven C
Employee Katherine B
Edited by:
Katherine B
Employee Kim H
Written by:
Kim H

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