OK well I THINK I've answered my own question by measuring/fabricating my OWN!
If ANYONE wants to save some money... Here it is!
The "ruler" pictures do not belong to me... And they seem a bit big. I used a digital caliper to make MY measurements on my truck and I believe I can get away with a 3x4" square tubing. MIGHT get a foot of 4x4" just to be safe.
I think they make them larger for the bigger axle diameters on different Rangers and such... Nonetheless, I'll keep this updated, as I've got MUCH more TIME than I do CASH right now! Working at a machine shop just makes it THAT MUCH better!
And hopefully I'm helping out some OTHER DIY'ers!