SuperSprings Intl Vehicle Suspension
- SSR-312-47
Highlights
- Custom Fit for Your Vehicle: Mounts to existing attachment points
- 1,500-lb Load Support: Levels your ride when towing or hauling to keep steering and braking steady.
- Smoother Ride Over Bumps: Cushions shocks with microcellular urethane springs for better comfort.
- No Maintenance Needed: No air lines or pressure checks—just install and drive worry-free.
- More Control When Turning: Each spring works independently to cut sway and body roll on curves.
- Quick, No-Drill Install: Bolts in easily with included jounce-style springs for instant rear support.
Features to know about
Stay Level and Confident Under Load: 1,500-lb Rear Suspension Support
Heavy loads can make your rear end sag, throwing off steering and headlight aim. These SumoSprings Solo Custom Helper Springs add up to 1,500 lbs of rear axle support at 50-percent compression to keep your vehicle level and stable. The microcellular urethane springs absorb bumps and cushion shocks so you stay in control when towing or hauling a heavy load.
Smooth Ride No Matter the Weight: Progressive Load Control
Every load feels different, and these springs adjust to match. With lighter loads, they compress easily for soft engagement and a comfortable ride. As weight increases, they can compress by as much as 80 percent to add firm support that evens out your stance and keeps things steady. The progressive design means you get smooth comfort when empty and solid stability when loaded.
Reduce Sway and Bounce: Independent Spring Action
When rough roads or sharp turns try to push you around, these springs work independently on each side to keep your ride balanced. The separate action helps correct off-center loads, cuts down body roll in corners, and minimizes sway when hauling gear or towing down the highway.
Built to Handle Real-World Conditions: Durable Microcellular Urethane
These helper springs are made from tough microcellular urethane that resists oils, road salts, and UV rays. They perform in temperatures from -25 F to 200 F without cracking or deforming. Because they compress vertically with minimal side expansion, they fit safely into tight spaces without rubbing nearby parts—and there’s zero maintenance required since there’s no tubing or air pressure to monitor.
Install It Yourself Without Drilling: Simple Bolt-On Setup
Adding rear suspension support shouldn’t be a big project. These jounce-style helper springs mount easily with no drilling required, using straightforward brackets and hardware. You get two custom-fit springs ready to bolt in and hit the road with stronger, steadier suspension from day one.
Specs
Weight and Capacity
- Weight capacity (at 50-percent compression): 1,500 lbs
Warranty
- Limited lifetime warranty
- 30-Day satisfaction guarantee
SSR-312-47 SuperSprings Sumo Springs Solo Rear Vehicle Suspension Kit for Trucks
Installation Details 
This Product Fits The Following Vehicles
Charles
1/1/2025
One year later and 2 trips across the US and all is well , the springs perform as they should . I highly recommend .