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    With a cord of wood loaded in your payload and a burly winch strapped the front bumper, your workhorse starts to sag like a twenty-year-old mattress. In the past, you'd have to rig up a complicated airbag system with hoses and compressors that need constant attention. Now, bolstering your suspension is a cinch with SumoSprings, the world's first "airless airbags".

    The mad scientists over at SuperSprings cooked up a cutting-edge formula of closed-cell polyurethane foam and heavy-duty additives to form the spine of your springs. This blend gives your Sumo Springs the ability to compress up to 80% and expand up to 20%, delivering a progressive spring rate. Whether you're hauling a pile of bricks or a six-pack of chubby wrestlers, SumoSprings deliver exceptional ride quality with zero maintenance needed.

    Custom engineered for a perfect fit, SumoSprings are available for the front and rear of your pickup, SUV or van. They're sturdy enough to handle harsh conditions, and most bolt directly into place with no drilling needed. Plus, they're backed by a 2-year warranty.

    SumoSprings Customer Reviews

    Average Rating

    18 Customer Reviews

    Sprinter Wobble Improved

    Reviewed by Dee C (Las Vegas, NV) Reviewed for a 2014 Mercedes-Benz Sprinter — Mar 10, 2015 9:10 PM

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    Great improvement in the side to side rock and roll present in a 2014 Winnebago Navion RV. 1 hour to install, if I did it a second time it would take 30 min's easy job. Mike


    Reviewed by Roy M (GRACE, ID) Reviewed for a 2015 Nissan Frontier — Mar 05, 2015 3:58 AM

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    put a 2 1/2 inch lift from ready lift in combination with these sumo springs on my 2015 nissan frontier they were easy to install an work really well in combination with the lift they do not effect the unloaded ride at all until you put about 300 lbs of load in the bed engaging the spings then they do just what I exspected an work wonderfuly.

    Work as Advertised, but feel they are overpriced

    Reviewed by Robert J (LEAVENWORTH, KS) Reviewed for a 2013 Mercedes-Benz Sprinter — Feb 13, 2015 7:06 AM

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    1 of 2 people found the following review helpful.

    Our Sprinter van had big sway issues. After installing both front and rear the issues have been reduced considerably. However, I believe these are considerably more expensive than they should be for what you get

    Sumo springs

    Reviewed by Jonny D (Carencro, LA) Reviewed for a 2013 Ford F-250 — Dec 09, 2014 4:49 PM

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    Works great so far. Will try with new toy hauler next week

    didnt work for me

    Reviewed by Nick L (Fort Atkinson, WI) Reviewed for a 2013 Dodge Ram — Nov 24, 2014 8:12 PM

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    ordered the sumosprings, (jounce kit) to short for my application. so basically worthless for me