In stock

TSS-107-40


$267.99Ships in 1-2 weeks
QTY

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-107-40 is designed for trailer frames with a GAWR of 3,000-5,000 lbs with the spring sitting on top of the axle tube. The blue SumoSprings shouldn’t be compressed past 70% 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.


John Arvin
2024-02-06 17:48:27

I purchased Supersprings for my van and my camper. The difference in the ride has been very noticable. I highly recommend this company's products based on my experience.

MARK STEINER
2024-02-06 17:35:54

They worked as designed.

John Frieden
2024-02-06 17:34:47

I installed a set on each axel of my travel trailer, the improvement to the ride is amazing. It smoothed out the porpoising when hitting big bumps and rough roads.

Nels Prario
2024-01-02 11:49:30

Arrived quickly. Installed easily. Have not driven with them yet.

Jesse Case
2024-01-02 11:48:08

Little tricky on port side of trailer as brake wires needed to be moved. Directions bit tricky to figure out regarding the spacers. I did call in and got some input from a tech guy at SUMO Springs

Steve Paraska
2023-10-10 09:54:09

Best upgrade I have ever done. Can’t believe how much better it tows now

John Frieden
2023-05-30 09:13:19

Excellent order processing. My order was shipped much sooner than estimated ship time when I placed the order. Just completed an 800 mile round trip with my new SumoSprings installed on my trailer. The improvement in ride and towing experience is remarkable. This is the best modification to my trailer yet. If I buy another trailer SumoSprings will be the first thing I install.

Brett Larsen
2023-05-30 09:11:38

Preformed we’ll above my expectations

steve robin
2023-05-23 09:21:52

Made HUGE difference while towing

Douglas Olsen
2023-05-23 09:20:43

Installation was pretty easy. I had to add the offset plates on our rig. I had a problem with the self-tapping screws that came with the plates. I had two strip out and gave up on using them to secure the plates with. I ended up replacing all of the self-tapping screws with 3/8” Grade 8 bolts with self locking nuts.

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Customer Reviews

25 ratings for the TSS-107-40
4.88 out of 5

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Product Specifications

Weight 13 lbs
Dimensions 13.5 × 8.25 × 4.25 in
Spring Diameter

3''

Spring Height

4''

Capacity

1400 (lb) Capacity at 50% Compression