Width of Front Leaf Springs on a 1969 K2500
 

Leaf spring width question:

A while ago I ordered new from leaf springs for my 1969 K2500 from Rock Auto. Now that the weather is turning bad, I was starting to get around to installing them. They appear to be the same ones from multiple vendors. They’re Husky Springs 22-384 aka Dorman 22-384. They’re a three leaf pack and the ones on my truck are only 2 leaves. But the 22-384s are narrower at the eyes. The ones on my truck are 3 1/2” at the front eye and like 3 1/4 at the rear eye. The replacement springs are significantly narrower across the leaf, i.e., 2 1/2 inches.

I’m at a loss, except that maybe somewhere along the way someone converted it to heavier/wider leaf springs. My truck is an enigma. Ideas?