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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-207-47 has a 1,500 lb capacity when compressed at 50%. The Black SumoSprings shouldn’t be compressed past 65% of their original height in order to keep full memory rebound.
The Sumo springs work great for handling the extra pin weight of our 5th wheel trailer. Prior to these I had the Timbren springs on the truck and they rode awful under a load. One bump in the road would have you bouncing for the next 1/2 mile. Not experiencing that at all with the Sumo springs. Glad I made the swap.
Great addition to my 2015 Silverado 2500HD. I had already lowered the back end with a set of McGaughy's shackles because I couldn't stand the "cat in heat" look of the back end. I am also getting older and it made getting in and out of the back a much better proposition. Put on the Sumos shortly afterward and they rest right on the axle when empty. When loaded even with a ton or slightly more, very little squat and the ride is like having air springs on the truck. Feels more stable also. Well worth the investment. Highly recommend. So simple and easy to install.
5 out of 5
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Chevrolet Silverado 2500 HD 4 X 2 (2011-2021) ; Chevrolet Silverado 2500 HD 4 X 4 (2011-2021) ; Chevrolet Silverado 3500 HD 4 X 2 (2011-2021) ; Chevrolet Silverado 3500 HD 4 X 4 (2011-2021) ; GMC Sierra 2500 HD 4 X 2 (2011-2021) ; GMC Sierra 2500 HD 4 X 4 (2011-2021) ; GMC Sierra 3500 HD 4 X 2 (2011-2021) ; GMC Sierra 3500 HD 4 X 4 (2011-2021)
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