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TSS-107-47


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Trailer SumoSprings are a maintenance-free suspension enhancement built to create a better journey by reducing G-force in your towable by 68%.  Handmade from micro-cellular polyurethane, they are designed to remove sway, hop, & body roll while increasing overall driver control and comfort while towing.

The TSS-107-47 is designed for trailer frames with a GAWR of 5,000-8,000 lbs with the spring sitting on top of the axle tube. The Black SumoSprings shouldn’t be compressed past 65% of their original height in order to keep full memory rebound.

NOTE:
This product is designed to work on most trailers with the springs mounted above the axle.  The factory spring plate must not be wider than 4-1/4″.  Because of the varying build designs from different trailer manufacturers, there are occasionally some models that this product will not fit. For installation of Trailer SumoSprings the gap between the top of spring plate and bottom of the frame must be between 5.3″ and 6.55″.

Please Note: SuperSprings International products are specifically designed for vehicles equipped with factory suspension. We cannot guarantee their compatibility with aftermarket products or parts. For questions about fitment on your specific vehicle, please contact us.


Edward Weiss
2024-05-03 11:49:36

Appreciate the quality of the product, ease of install design and customer service.

Paul Motter
2024-02-06 17:51:42

I installed the sumo springs in Nov of 2023. We recently were able to test them out on our departure from Key West, Fla. to North Fl. There was a very much better ride. Very nice!!! Thank you supersprings. I highly recommend these. Anything you can do for these frames are an upgrade.

Paul Bell
2024-02-06 17:20:27

Easy install, no harsh bottoming out, recommended!!

John Doyle
2024-02-06 16:54:21

They stopped a lot of body roll and reduced sway from passing 18 wheelers. Interior vibration seem less. Installation was fast and simple.

Denise Reiling
2024-02-06 16:51:16

Fantastic customer service and excellent product. Definitely can tell a difference.

Boyd Sherk
2023-12-19 09:17:32

The kits were very easy to install. I used 2 spacers per spring to get proper fitment for the 6 1/2" I had between the spring plate and the frame.

Douglas Dillon
2023-12-19 09:16:52

Very happy with them and ease of installment

MEL FERGUSON
2023-11-20 08:20:32

Installed the Sumo spring kit on the twin axle 5th wheel. Easily installed and seem to work very well on the 11K mile trip from WI to AK and back this last summer. I did notice less chucking in the F350 dually

Scot Lowery
2023-10-17 09:03:58

Order arrived quickly. Installation instructions were clear, and install was easy. I haven’t been able to evaluate the spring’s effectiveness yet.

CHRISTOPHER DEWSON
2023-10-10 09:53:47

Really smoothed out the ride and more stable when parked.

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Customer Reviews

43 ratings for the TSS-107-47
5 out of 5

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Product Specifications

Weight 13 lbs
Dimensions 13.00 × 8.00 × 5.00 in
Application(s) Summary

Trailer SumoSprings for Trailer Axle; GAWR: 5000-8500 (Spring-Over Axle Configuration) ; Trailer Bumper Pull (2020-2023) ; Trailer Fifth Wheel (2020-2023)

Spring Diameter

3''

Spring Height

4''

Capacity

1800 (lb) Capacity at 50% Compression