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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-205-47 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 | 7 lbs |
|---|---|
| Dimensions | 10.75 × 7.25 × 4.5 in |
| Application(s) Summary | Chevrolet Express 2500 4 X 2 (1996-2023) ; Chevrolet Express 3500 4 X 2 (1996-2023) ; GMC Savana 2500 4 X 2 (1996-2023) ; GMC Savana 3500 4 X 2 (1996-2023) |
| Spring Diameter | 4'' |
| Spring Height | 5'' |
| Capacity | 1500 (lb) Capacity at 50% Compression |
I needed to replace my poor quality, ineffective rear factory bump stops and after much research I felt the SumoSprings to be the answer and selected the recommended SSR-205-47. This product right out of the box proved to be a superior quality product. Install was very straight forward and I completed the install in under one hour. The "unloaded" test drive showed a slightly smoother ride, better small bump compliance, and better control on the high speed road dips that make you feel like you are on a roller coaster. Best of all, cornering saw significantly less back end body roll and a significantly more responsive rear end when swerving side to side. For my particular application - 2017 Chevy Express 3500 - the SSR-205-47, was under approximately 1/2" compression in the "unloaded" state, which was excellent. This contact/compression allowed my unloaded van to ride on the SumoSprings which did make for a smoother, better performing ride over the factory bump stops. It's no secret that these 1 ton vehicles ride rough. The SumoSprings helped significantly to reduce this rough ride. When loaded, I continued to notice all the above benefits. I thoroughly recommend this product. Ride improvement is truly noticeably.