SuperSprings Rear Sumosprings installation close-up improves ride stability.
SuperSprings Rear Sumosprings mounted on 4Runner provide reliable load support.
SuperSprings Rear Sumosprings distribute load to reduce sag and balance weight.
SuperSprings Rear Sumosprings reduce body roll for safer handling.
SuperSprings Rear Sumosprings resist weather and UV for lasting performance.
SuperSprings Rear Sumosprings offer 1800 lb capacity at 50% compression.
SuperSprings Rear Sumosprings maintain ride height when towing or hauling.
SuperSprings Rear Sumosprings installation close-up improves ride stability.
SuperSprings Rear Sumosprings mounted on 4Runner provide reliable load support.
SuperSprings Rear Sumosprings distribute load to reduce sag and balance weight.
SuperSprings Rear Sumosprings reduce body roll for safer handling.
SuperSprings Rear Sumosprings resist weather and UV for lasting performance.
SuperSprings Rear Sumosprings offer 1800 lb capacity at 50% compression.
SuperSprings Rear Sumosprings maintain ride height when towing or hauling.

SuperSprings Rear SumoSprings Set for 4Runner, Land Cruiser 100, GX460 & FJ Cruiser — 1800 lb @ 50% Compression | Easy Install

Smart suspension upgrade for real world loads SumoSprings from SuperSprings International offer a smart, air-free alternative to...
Vendor: SuperSprings
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SuperSprings Rear Sumosprings installation close-up improves ride stability.

SuperSprings Rear SumoSprings Set for 4Runner, Land Cruiser 100, GX460 & FJ Cruiser — 1800 lb @ 50% Compression | Easy Install

£344.61
SuperSprings Rear Sumosprings installation close-up improves ride stability.
SuperSprings Rear Sumosprings mounted on 4Runner provide reliable load support.
SuperSprings Rear Sumosprings distribute load to reduce sag and balance weight.
SuperSprings Rear Sumosprings reduce body roll for safer handling.
SuperSprings Rear Sumosprings resist weather and UV for lasting performance.
SuperSprings Rear Sumosprings offer 1800 lb capacity at 50% compression.
SuperSprings Rear Sumosprings maintain ride height when towing or hauling.

SuperSprings Rear SumoSprings Set for 4Runner, Land Cruiser 100, GX460 & FJ Cruiser — 1800 lb @ 50% Compression | Easy Install

£344.61
Description
Description
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Smart suspension upgrade for real world loads

SumoSprings from SuperSprings International offer a smart, air-free alternative to traditional airbags and heavy coil springs. Made from closed‑cell microcellular polyurethane, these one piece springs compress progressively as load shifts, helping to curb rear sag, maintain ride height, and support stable handling without the need for airlines or compressors.

What makes them stand out

Designed to endure tough conditions, SumoSprings resist UV exposure, moisture, and extreme temperatures. They’re built for longevity with a lifetime warranty and a maintenance‑free profile that keeps your focus on the road rather than on the spring system.

  • Progressive load support that responds to weight changes for smoother transitions between loads
  • Self-contained design with no moving parts or air lines to leak or adjust
  • Ride-height stability that helps reduce rear-end sag and improves handling
  • Durable, weather-resistant polyurethane that stands up to sun, rain, and road salt

Real world benefits you might notice

  • More predictable handling when towing or hauling heavy cargo
  • Safer sway control and reduced body roll during cornering or crosswinds
  • Consistent ride quality across mixed road surfaces and speeds
  • Low maintenance and quick plug‑and‑play installation that fits in the factory bump-stop area

Plug‑and‑play installation and fit

These rear SumoSprings are specifically designed to fit the following 4x4 platforms: 2003-2024 4Runner, 1998-2007 Land Cruiser 100 Series, 2010-2021 GX460, and 2007-2014 FJ Cruiser. At about 50% compression, they provide up to 1800 pounds of additional support, offering practical help during busy, load-filled days.

With no air system to service and no external pumps to monitor, you get a maintenance-free upgrade that installs where your factory bump-stop sits. They’re built to endure, with corrosion resistance and UV protection helping maintain performance mile after mile.

Note: individual results will vary with vehicle configuration and load. While this can enhance stability and comfort, it is not a guarantee of specific outcomes.

FAQ

Q: Which vehicles are compatible with the SuperSprings Rear SumoSprings set?

A: Fits 2003–2024 4Runner, 1998–2007 Land Cruiser 100 Series, 2010–2021 GX460, and 2007–2014 FJ Cruiser 4x4.

Q: What maintenance is required with these SumoSprings?

A: No air lines or compressors are needed; installation is plug-and-play and maintenance-free.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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