Thread here: https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://olivertraveltrailers.com/forums/topic/9996-made-in-usa-leaf-springs/&ved=2ahUKEwj7uaXMrKSHAxWUElkFHRtoA9wQFnoECCsQAQ&usg=AOvVaw2TuWEqPQCoyqb1wVMIHpcR
One of the posts lists his replacement specs as:
"Made in USA with USA sourced 5160 spring steel
-Bronze eye bushings vs. plastic
-2,000lb rating/ea vs. 1,750 (will not change gvwr as axles/bearings remain determining factor)
-5 leaves vs, 4
-second leaf extends underneath eye on each end (protecting common break area)
-steel, bolted spring keepers (one each end) vs a single, sheet metal band
-width = 1.75"
-drop = 3”
-length (eye-to-eye) = 25.25”
The company I sourced them from is ALCAN."