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Front SumoSprings are a maintenance-free suspension enhancement built to create a better journey. Handmade from micro-cellular polyurethane, they are designed to stabilize weight transfer and limit body roll while decreasing vibration, stabilizing sway, and softening harsh rebounds. 

The SSF-111-40 has a 1,000 lb capacity when compressed at 50%. The Blue SumoSprings shouldn’t be compressed past 70% of their original height in order to keep full memory rebound.

David Alari
2023-03-08 09:24:31

They Springs really stabilized the front of the vehicle. They were super easy to install and the installation instructions were right on the money.

2023-02-23 08:33:53

Great product and service!

2019-06-09 21:46:13

These things are awesome! I am on my third Ford super duty, and drive around 70,000 miles a year, about 1/3 loaded and 2/3 empty. Are usually take them to around 350,000 miles before trading them in. On every one of the vehicles, I have experienced substantial vibration through the steering wheel on the highway. On two of the three super duties, I have experienced the dreaded Ford death wobble, including my current F350. I installed these on my 2017 F350 in about a half an hour total. The difference in drive feel is incredible. I went from substantial vibration coming through to the steering wheel to almost no vibration coming through the steering wheel. I drove 400 miles the day after I put them on, on a road that I drive frequently. I know where I have lost some control before, and with these installed I could barely feel the bumps. There is no question in my mind that I will never drive a super duty again without these installed. They should come standard on every super duty manufactured.

Customer Reviews

3 ratings for the SSF-111-40

5 out of 5  

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Product Specifications

Weight 7 lbs
Dimensions 10.75 × 7.25 × 4.5 in
Application(s) Summary

Ford F-250 Super Duty 4 X 2 (2005-2023) ; Ford F-250 Super Duty 4 X 4 (2005-2023) ; Ford F-350 Super Duty 4 X 2 (2005-2023) ; Ford F-350 Super Duty 4 X 4 (2005-2023) ; Ford F-450 Super Duty 4 X 2 (2005-2023) ; Ford F-450 Super Duty 4 X 4 (2005-2023) ; Ford F-550 Super Duty 4 X 2 (2005-2023) ; Ford F-550 Super Duty 4 X 4 (2005-2023)

Spring Diameter


Spring Height