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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

    15 Customer Reviews

    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

    2008 f350 Super Duty

    Reviewed by Bill H (Winchester, VA) Reviewed for a 2008 Ford F-350 — Nov 11, 2014 9:16 PM

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    Installed easily on my 08 f350, held up to my myer V plow with very little sag and a smoother softer ride. Would recommend to everyone I know

    ineffective and a waste of money

    Reviewed by James F (GOSHEN, OH) Reviewed for a 2010 Ford F-150 — Oct 13, 2014 5:53 PM

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    0 of 1 people found the following review helpful.

    they are too short to limit any downward travel on an f-150 4x4 considerate them a waste of money for my purposes

    As advertised

    Reviewed by Mark Q (PROSSER, WA) Reviewed for a 2009 Toyota Tundra — May 17, 2014 6:19 AM

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    I was looking for something to firm up the rear of my half ton while towing. It was OK, but I wished for a little less sag and less sway when pulling our travel trailer. I looked at overload springs and air bags and finally Sumosprings. Autoanything had the best price and they arrived quickly. I had them on in two hours and hooked up my TT. Sure enough, I gained a little more than an inch to 1 1/4. I'm happy.