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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-312-47 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.
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Product Specifications
| Weight | 9 lbs |
|---|---|
| Dimensions | 10.75 × 7.25 × 4.5 in |
| Application(s) Summary | RAM 2500 4 X 2 (2014-2023) ; RAM 2500 4 X 4 (2014-2023) ; RAM 3500 4 X 2 (2014-2023) ; RAM 3500 4 X 4 (2014-2023) |
| Spring Diameter | 4'' |
| Spring Height | 5'' |
| Capacity | 1500 (lb) Capacity at 50% Compression |
They were very easy to install.
Easy to install; looking forward to our first towing experience with them installed in June.
When I put a 1700 dry weight camper on the truck with stock off road suspension there was at times an uncomfortable amount of sway and porpoising. The Sumo springs, 800# in front and 1500# in the rear, resolved the issue. Very pleased.