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Recommended Sway Bars and SumoSprings for a 2026 Ford E-450 Chassis  

Updated 06/20/2026 | Published 06/18/2026



Question:

I have customer wanting to upgrade front and rear sway bars and install steering stabilizer on a 2026 E450 chassis. Vin:1FDXE4FN2TDD39524. Will the Helwig HE63MR and He 78RR work? We will also be installing front and rear sumo springs

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Expert Reply:

Thanks for the information David and welcome back! The Hellwig Rear Anti-Sway Bar item # HE78RR is the correct one for a 2026 Ford E-450 chassis. However, for the front you'll need the Hellwig item # HE26GR. This is a 1-3/8" diameter front sway bar that Hellwig lists as being the correct one. The HE63MR you referenced fits late '90's early 2000's F-450 cab and chassises.

For front SumoSprings that fit your customers 2026 Ford E-450 cutaway, you'll need the SumoSprings Solo Custom Helper Springs item # SSF-106-47. They have a 1,000 lbs capacity.

I've got a couple options for the rear and which one you go with is going to depend on what motorhome was built on that E-450 chassis. The SumoSprings item # SSR-130-54 have no compatibility issues and are rated for 2,800 lbs of support.

The SumoSprings Maxim Custom Helper Springs item # SSR-106-47-1 have a much higher 5,000 lbs capacity but do not fit Thor Motorhomes, Jayco models with the J-ride installed, and requires at least 7" of clearance between the sidewall of the tires and the frame.

What brand and model motorhome does your customer have?

You can add this information, along with any other questions you have, where it says Add Comment.

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Jerred H
SSR-106-47-1
SSR-106-47-1
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