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🚀 Elevate your drive with unstoppable strength and smooth control!
Supersprings SSR-217-40 SumoSprings Solo Kits are premium suspension bump stop replacements designed to enhance load capacity up to 1000 lbs at 50% compression, reduce vehicle sway, and improve driver comfort. Made from proprietary closed microcellular urethane, these maintenance-free springs compress up to 80% with full memory rebound, ensuring durability and consistent performance without the need for air compressors or airlines.
| Asin | B083T6PH4G |
| Best Sellers Rank | #5,742 in Automotive (See Top 100 in Automotive) #1 in Automotive Leaf Springs |
| Brand | SuperSprings |
| Customer Reviews | 4.6 4.6 out of 5 stars (139) 4.6 out of 5 stars |
| Date First Available | 16 February 2021 |
| Exterior | Painted |
| Item Model Number | SSR-217-40 |
| Item Weight | 1.81 Kilograms |
| Manufacturer | Supersprings International, Inc. |
| Manufacturer Part Number | SSR-217-40 |
| Model | Solo |
| Position | Rear |
| Product Dimensions | 27.94 x 20.32 x 12.7 cm; 1.81 kg |
| Special Features | Compress up to 80% of original height with full memory rebound, Improves overall driver control and ride comfort, Made from patented micro-cellular urethane, One-piece unit attached on one side used as a replacement/upgrade to factory bump stops, progressive spring rate with superior damping properties |
User
A must have for towing with a newer 1/2 ton
Quick easy installation. Performed exactly as advertised on my 2021 Silverado. No more “Carolina Squat” when I pull my travel trailer. Helped control sway which was not something I expected. (I do use a 4 point sway control/weight distribution hitch.)
User
2020 gmc sierra slt crew cab X31
Edit update: after a month of driving with sumo springs always touching with the spacer, the ride quality is now smoother. Seems like the sumo springs have worn in now and it feels like stock ride. No sag no roll everything perfect.Original post:My truck is leveled. It would sag in the rear when loaded a little bit and while accelerating loaded or unloaded it would sag. I installed this with the spacer on so it is touching all the time. It has fixed my issues no more sag or roll, loaded or unloaded. Even when accelerating the truck is leveled now. The ride feels the same without the extra bounce. Mind you the X31 rides stiffer than the regular ones so i don't notice it. Really happy with the purchase and best bang for your buck, we will see how it holds up in the winter in extreme cold here in Ontario, Canada. I have not seen any reviews for winter. I would highly recommend for leveled trucks or even if your not loaded all the time. It just rides better in my opinion
User
Fits great and totally works
These are awesome! Great support without all the hassle of a bag full of air
User
Easy to install!
Easy to install, just make sure your jack goes high enough. The only problem I had was that the jack I used wouldn't go high enough to get the socket and extension out of the center hole. I went to a 2" extension, instead of a 3", and I got it out. Sometimes you just have to laugh at yourself. The springs work great. I have them paired with a Road Active system on the leaf springs, and I am very happy with everything!
User
Taming the beast
I purchased these to improve the towing on my 2021 Silverado. I tow a 8700lb travel trailer, and with the addition of the SumoSprings, the truck was much more controlled. It seemed to stop sway side-to-side as well as front-to-back.Installation was easy. Very happy with my purchase.
Trustpilot
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