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Rear SumoSprings are a maintenance-free suspension enhancement built to create a better journey. Handmade from micro-cellular polyurethane, they are designed to reduce rear-end sag and increase load carrying ability while decreasing vibration, stabilizing sway, and softening harsh rebounds. 

The SSR-114-54 has a 2,800 lb capacity when compressed at 50%. The Yellow SumoSprings shouldn’t be compressed past 55% of their original height in order to keep full memory rebound.

Perry Small
2018-05-23 08:04:14

Installed This kit on my F250 Super Duty before my last trip towing a 35ft 5Th wheel trailer. Nice level smooth ride. The spring compressed about halfway and still had a great ride. I feel a lot safer towing with this kit. Very happy! I did not want to have air bags and all the hard ware and air. With SumoSpring I never have to think about it again. No air needed, no worries about air bag failure and no worry about having air available.

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Customer Reviews

1 ratings for the SSR-114-54
5 out of 5

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Product Specifications

Weight 11 lbs
Dimensions 13.5 × 8.25 × 4.25 in
Application(s) Summary

Ford F-250 Super Duty 4 X 2 (1999-2016) ; Ford F-350 Super Duty 4 X 2 (1999-2016)

Spring Diameter


Spring Height



2800 (lb) Capacity at 50% Compression