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SumoSprings Kit Recommendation for 2019 Thor ACE 30.2  

Updated 05/08/2025 | Published 12/13/2019

Question:

I have a 2019 Thor ACE 30.2 motorhome, which sumosprings kit do I need? Should I get Timbrens?

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Expert Reply:

For your 2019 Thor ACE 30.2 I recommend the SumoSprings part # SSR-187-40-1 over other options as it will give you the better suspension support and improved handling you are looking for without creating harshness in the ride quality like the Timbren kit would.

The matching front kit is the # SSF-170-40-2. I attached install videos for both of these kits for you to check out as well.

expert reply by:
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Jameson C
Kyle profile picture

Kyle

5/7/2025

I installed the front sumo and used the model you suggested, however the upper and lower pieces do not touch each other under load

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Etrailer Expert

Jameson C.

5/7/2025

@Kyle How close are they to contacting each other? Have you driven with them yet?
Kyle profile picture

Kyle

5/8/2025

@JamesonC there is a 2” gap between them . Seems like something is off based on all of the photos I have seen . This app won’t let me insert a picture .
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Etrailer Expert

Jameson C.

5/8/2025

@Kyle On the bracket that attaches to your RV frame are you using the two bottom holes on the bracket? You can email pictures of your setup if you like at [email protected]

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