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77 Karma

Review on 🚚 Trailer SumoSprings TSS-107-40 for Spring-Over Axle Configuration, GAWR 3000-5000, Left/Right Pair, 1400 lb Capacity, 50% Compression, Made in USA by Matthew Thorndike

Revainrating 5 out of 5

money well spent. And easy to install.

These Sumo springs were installed on my 2017 Keystone Avalanche fifth wheel. I can't say enough about the difference they make in terms of trailer vibration and road holding also mounted front and rear on my 2019 Ram 2500.

Pros
  • Coil Springs
Cons
  • Problems