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Your cart is empty.SumoSprings are a patented suspension product designed to enhance load carrying ability, stabilize sway, and improve overall driver control and ride comfort. They are maintenance free, do not leak air, and do not require airlines or compressors. SumoSprings are manufactured in a variety of heights, diameters and densities to support multiple front and rear applications. They are manufactured from proprietary closed micro-cellular urethane providing a smooth and progressive spring rate with superior damping properties.
John Hamilton
2025-06-22 10:43:08
had the expensive King air bumps on my last Jeep. These are a more affordable alternative that do the same thing with fewer areas to fail (seals, leaks, rebuilds, etc). I am impressed with them. As the main spring reaches its bottom out point, these step in and progressively help prevent a hard bottoming out.
Mr S
2025-01-02 15:38:20
It made it through exactly one trail. It probably saved my back on some pothole, but I am disappointed in having to replace this part after one trail…And this was a snow trail with a few dirt road potholes, not hardrock stuff.Update: warranty is sending a replacement part within 1 day of filing the claim. Would have given 2 stars for all the effort involved in replacing this, but giving 4 due to speedy warranty process
CK
2024-12-30 12:26:42
One bolt each side on my 2005 Sprinter Pleasureway RV. The hole on the van needed to be drilled out, the bolt didn't fit, just off by 1/16" so pretty minor. The wheel was left in place, turned fully to the lock, jacked up allowing the wheel to hang freely. Installation was the same - one bolt. The front end now sits one inch higher, which I like, for a little more clearance. The ride is not notably harsher, but more firm. It seems to be more laterally stable, air bags in rear at 50lbs. Seems to be better in the wind. I like them. Pretty expensive for two little rubber things that look like kids toys, but they seem to work!
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