The difference between the # SSR-106-47-1 and the # SSR-130-47 is the capacity. The # SSR-130-47 are light duty with a weight capacity of 1,500 lbs. Unless you're constantly hauling very heavy loads or towing heavy trailers these would be the best choice. The heavy duty # SSR-106-47-1 have a much higher capacity of 5,000 lbs. view full answer...
For your 2017 Ford E-450 Motorhome you are definitely going to want the higher capacity SumoSprings Maxim item # SSR-106-47-1 over the Solo Custom Helper Springs item # SSR-130-47. The Maxim have a 5,000 lbs capacity that will help keep your RV level and minimize sway. The springs work independently from each other to compensate for off-center loads and reduce body roll during sharp turns. I have linked an installation and review video.
The Solo Custom Helper Springs item # SSR-130-47... view full answer...
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