Shaun,
Have you tried Car-Part.com?
I just did and there seems to be lots of them showing up in Florida for $35 bucks. The pic below shows a bunch of 4x2 ones, but there's 4 pages of them and lots of 4x4 parts. What trans are you using?
1994 F150 4x2 Flareside. 5.0 w/MAF, 4R70W, stock.
1984 F150 4X2 Flareside. Mild 302 w/ 5spd. Sold.
1980 F150 4X4 Flareside. 300i6 w/ 5spd. Sold in 2021.
1980 F100 4X2 Flareside. 351w/2bbl w/NP435. Sold in 1995