Measurement from inside up to the center of the hole is 1-5/8"
Low Range's Chevy Leaf Spring Hanger is just like the very popular sloped style hangers but with an inside diameter of 3" and a 9/16" bolt hole. Use these for mounting up the fixed end of the Chevy leaf spring on the popular Chevy Spring Swap. 5" Overall length. Measurement from inside up to the center of the hole is 1-5/8". The Hangers are made from 1/4” thick steel, with laser cut slots in the top of the hanger for rosette welds if needed.
High quality parts, comes with everything you need to put 63’s on your Toyota EXCEPT any kind of shock mounting. This isn’t a big deal because there is such a variety of shocks they cannot reasonably supply a kit that would work with them all.