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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-403-54 has a 1,400 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.

Steven Boulanger
2022-08-16 06:12:37

I bought these due to the front end of my Jeep JK 2 door sport was sagging when I put on my Boss snow plow. I could barely drive down the road in the dark because the lights were shining at the ground. I installed these in the front coils and actually put in the ones for a higher lift than I have. The Sumo Springs almost touch the bottom bump stops but what a difference this makes. When I don't have a plow on the Jeep rides normally. When I put the plow on the Jeep doesn't take a nose dive. I can see well and these make all the difference. I love them. I am going to a Jeep Gladiator next and will do the same thing.

Customer Reviews

1 ratings for the SSF-403-54

5 out of 5  

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Product Specifications

Weight 3 lbs
Dimensions 10.75 × 7.25 × 4.5 in
Application(s) Summary

Jeep Wrangler 4 X 4 (2007-2023); Jeep Gladiator 4 X 4 (2020-2023)

Spring Diameter


Spring Height