SuperSprings Intl Vehicle Suspension
- SSR-612-40
Highlights
- Custom Fit for Your Vehicle: Mounts to existing attachment points
- 1,400-lb Load Support: Levels your ride under weight so steering and braking stay consistent.
- No Upkeep Needed: Maintenance-free urethane springs mean no air lines or PSI checks to manage.
- Smoother Ride Over Bumps: Cushions shocks and limits sway so the truck feels stable and planted.
- Handles Off-Center Loads: Each spring works on its own to cut body roll and keep things balanced.
- Built to Last: Urethane resists oil, salt, UV, and temps from -25 F to 200 F for long-term durability.
Features to know about
Stay Level and Confident Under Load: 1,400-lb Rear Suspension Support
Heavy trailers or bed loads can make the rear end sag and throw off your steering and braking. These SumoSprings helper springs add up to 1,400 lbs of support at 50-percent compression to keep your ride level and stable. They help your factory suspension handle the extra weight so your tires stay planted, your headlights stay aimed right, and your driving control stays consistent when towing or hauling.
Smooth Out the Bumps: Progressive Load Control
Whether it’s a light load or a heavy one, the microcellular urethane design reacts to what you’re carrying. With lighter loads, the springs compress easily for a soft, comfortable ride. As weight increases, they can compress by as much as 80 percent for solid support and better control. The progressive load control means fewer harsh jolts and more balanced handling no matter how full the bed or trailer is.
Stay Steady in Crosswinds and Turns: Independent Spring Action
When corners or uneven loads try to push one side down, each spring works on its own to keep your vehicle balanced. This independent action helps reduce sway and body roll when turning or driving through crosswinds. The result is a planted feel that makes towing or hauling less stressful and more predictable on all kinds of roads.
Count on Long-Lasting Strength: Durable Urethane Construction
The closed-cell microcellular urethane stands up to real-world abuse from oils, road salts, and UV rays. It performs in temperatures from -25 F to 200 F and compresses vertically with minimal side expansion, so it fits safely even in tight spaces without rubbing against nearby parts. With no tubing or air pressure to maintain, these springs are completely maintenance-free.
Simple Setup That Fits Right: No-Drill Installation
Getting the extra support doesn’t mean tearing into your suspension. The kit includes two jounce-style springs that bolt into place with a simple, no-drill installation. Once installed, they’re always ready to go—no lines to run or compressors to monitor—just steady rear-end support every time you hitch up or load down.
Specs
Weight and Capacity
- Weight capacity (at 50-percent compression): 1,400 lbs
Warranty
- Limited lifetime warranty
- 30-Day satisfaction guarantee
SSR-612-40 SuperSprings Sumo Springs Solo Rear Vehicle Suspension Kit for Trucks
Installation Details 
This Product Fits The Following Vehicles
Gwendolyn Y.
5/26/2025
This is an awesome shot, Thomas! Where did you head off to out west to ride your bikes?