Recommended SumoSprings for a 2007 Toyota Tundra

Updated 06/02/2026 | Published 05/27/2026

Products Featured in This Question

SumoSprings Solo Custom Helper Springs - Rear Axle

(2469)

$288.99

Question:

Please help Re. Sumo helper Springs. 2007 5.7L Tundra 4x4 Ltd - 1430 lbs people and cargo. 6800 lbs dry travel trailer with 1100 lbs tongue weight ??. Distribution hitch with 800-1200 lbs bars. Sits level with DH and handles very well - except for big bumps which can introduce a quick, little, disturbing bounce. I only tow about 2 days per month - about 4 hrs each day. Truck only has 90k miles ??. What Sumos would you recommend why and can I install them without altering my existing DH setup and adjustments? I’m hoping I don’t have reconfigure the DH.

asked by: Eric L

Expert Reply:

Hey Eric. To add a set of SumoSprings to your 2007 Toyota Tundra, I recommend the Solo Custom Helper Springs item # SSR-610-40. This are the lightest capacity option at 1,000 lbs and are designed to mount directly over your leaf springs.

The SumoSprings item # SSR-610-40 are going to replace that hard factory bump stop with a softer more cushioned rubber spring. When you hit a bump big enough that causes your suspension to flex the rubber springs will absorb the impact better instead of you rebounding hard off of the factory bump stop.

I can't guarantee you won't have to readjust your weight distribution system or have an alternative set of springs that will. The SumoSprings item # SSR-610-40 are going to add additional support to your rear suspension. If the weight of your trailer compresses your suspension down until you get the tension on the bars you'll need to adjust the settings.

How much tension are your putting on your spring bars to get your trailer level with your Tundra? If your trailer's really pushing the rear end of your Tundra down the SumoSprings being added would provide cushion but also allow you to relieve some of the tension on the bars.

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

expert reply by: Jerred H

SSR-610-40
(click to enlarge)

Eric L.

6/2/2026

I ended up going with the black/medium Sumos. They were an easy install and didn’t require removing the wheels. I chose the black because the Tundra has a SnugTop shell and a heavy rubber bed-mat - even before adding any gear. So, the ride when empty with no trailer - still includes 2 to 3 hundred pounds. It was not harsh with the black Sumos. Actually it just felt firm and predictable - without the usual sway while turning. I then hooked up the trailer using the weight distribution hitch and the truck and trailer were still close to being perfectly level. So, thankfully I didn’t have to readjust the hitch which would have required a torque wrench that went up to 380 ft.lbs - which I don’t have. I believe the Sumos are going to make travel with the trailer - considerably safer. I’d do it all over again in a heart beat. Take care of your families and improve your ride quality.