You can use any toyota axle and gut it for all the parts then throw them in a trail gear driver side drop axle housing.
trailgear makes an axle housing that uses minitruck diff and outers with their custom axles to perfectly fit a tacoma.
Did all you guys seriously skip over my post? Tacoma Axle Housings and Shafts | Toyota, Suzuki Samurai, and Jeep Off Road Parts and scroll down a bit.
You buy a toyota axle and use the parts off it, and swap it onto this axle. this way you keep all toyota parts, and don't mismatch gear ratios.
Nope. It was already covered.