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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-116-40 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.

Rex Hively
2023-04-04 09:38:22

Easy installation took the sag out when empty rides well haven't had a chance to try it under load yet but I'm confident it will perform as expected

2018-06-27 08:24:00

I originally used the SSR-116-47 on my F-150 but noticed a much harsher ride when unloaded. I switched to the SSR-116-40 and it is night and day better unloaded and much better than stock with a large payload. The 40's assist with the load without changing the unloaded ride characteristic. With a 1500 lb load, I have no body roll and the entire truck/fifth wheel combo feels stable and solid. This is a great product from a fantastic company with great customer service.

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Customer Reviews

2 ratings for the SSR-116-40
5 out of 5

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Product Specifications

Weight 12 lbs
Dimensions 13.5 × 8.25 × 4.25 in
Application(s) Summary

Ford F-150 4 X 2 (2009-2018)

Spring Diameter


Spring Height



1000 (lb) Capacity at 50% Compression