I recommend the SumoSprings Trailer Helper Springs # TSS-107-40 for your 2021 Keystone Outback 291UBH Ultra Lite travel trailer. These springs will mount to the top of the leaf spring pad and provide additional stability for your Outback. As the springs are progressive they will help reduce the trailer hop and provide stability to reduce the corner lean while driving.
I linked a demonstration video below for the springs and you can see during the test drive how they provide the additional... view full answer...
While we don't have a kit that includes everything for a tandem 5,200 lb trailer we do have all the components separately like the part # K2HR526D for the hubs and rotors. Then for the rest of the components you'd just need the part # CAR-HBA16-2.
The HydraStar kits have the best actuators due to how quick they respond as well as the most reliable. view full answer...
You can certainly upgrade to heavier duty leaf springs, but you'll still be limited to the capacity of the axles, unless you replace the axles as well.
I think the best option is to go with the same capacity leaf springs, but then add helper springs to the axles such as
SumoSprings Trailer Helper Springs # TSS-107-40 if you have overslung axles (springs sit over axles) or SumoSprings Trailer Helper Springs # TSS-106-40 if you have underslung axles (springs sit under axles). These will... view full answer...
If you want to add a 2" receiver hitch to your trailer you should first contact Keystone to see what load limit the frame you are planning to attach to will support.
The Curt # 13703 will work for trailer frames spaced 22 to 72" wide, and are supporting a load that is less than the trailer frame rating or 350 pounds tongue weight. (This will include your generator and the cargo carrier.) As you mentioned, the Curt hitch requires # 18050 stabilizer straps. On a car these would attach... view full answer...
The SumoSprings part # TSS-107-40 and the Road Armor # LC696740 are both great modifications to the suspension of your RV but they are for different purposes. The SumoSprings will give the suspension more support and the Road Armor makes the ride smoother. So it really comes down which you'd prefer first but they both will work great with each other as well as individually. view full answer...
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