Over time leaf springs will stretch out with all the weight that are put on them. The 4-Leaf Double-Eye Spring for 6,000-lb Trailer Axles # e47SR will work for you but may be a little stiffer then your normal ride that you currently have because they're rated for a heavier weight.
The double-eye spring has a sturdy steel construction and has a spring capacity of 3,000 pounds and an axle capacity of 6,000 pounds. The nylon bushings are included.
When it comes to the rear brake line kit... view full answer...