Carry heavier loads with steadier control using the SuperSprings SumoSprings Air Suspension Helper Spring (SSF-111-47, also written SSF11147). This front SumoSprings kit installs as a direct-fit upgrade for the 2005-2025 Ford F-250 Super Duty and F-350 Super Duty, the 2018 and 2020-2024 Ford F-450 Super Duty, and the 2019 and 2021-2024 Ford F-550 Super Duty — see the Buyer's Guide tab for engine-level fitment.
SumoSprings are a patented suspension product made from proprietary closed microcellular urethane, designed to enhance load-carrying ability, stabilize sway, and improve overall driver control and comfort. This Solo Kit is designed to replace the factory bump stops in the front position.
Sold as a pair, left and right. Proudly made in the U.S.A.
What vehicles does the SSF-111-47 fit?
It fits the 2005-2025 Ford F-250 and F-350 Super Duty, the 2018 and 2020-2024 F-450 Super Duty, and the 2019 and 2021-2024 F-550 Super Duty. Check the Buyer's Guide tab for engine-level fitment.
Where do these SumoSprings install?
This Solo Kit is designed to replace the factory bump stops in the front position. It is sold as a pair, left and right.
Do these require air lines or a compressor?
No. SumoSprings are made from closed microcellular urethane, are maintenance-free, do not leak air, and require no airlines or compressors.
How much load do they support?
They are rated at 1500 pounds capacity at 50 percent compression and help enhance load-carrying ability. Never load any vehicle beyond the manufacturer's GVWR.
How do they handle compression and sway?
They use a progressive spring rate, compress up to 80% of original height with full memory rebound, and help reduce and stabilize sway for improved driver control and comfort.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
