You can measure your existing double eye spring by measuring the
center of eye to the center of the opposing end. Each of our
double eye springs are 1 3/4" wide and will accept a 9/16"
shackle bolt. Nylon bushings are included.
Slipper springs are measured from the center of eye to center of hanger
position. TrailerPart.com's selection of slipper springs have a 500
- 5000 lb. capacity.