Please a bit more detail. The ZJ tie rod I got for my TJ was significantly thicker and heavier. The rod ends also were much larger threaded ends. The taper shaft was the same so that everything bolted right up. The drag link has been often cited as being the same for the TJ and ZJ upgrade. I ordered the ZJ parts and got the same thing that I replaced the original drag link with. I matched everything up side by side to rough set the draglink and tie rod lengths before installing the ZJ parts.The drag link is different between TJ and ZJ. The OD is the same, the pitman arm's tierod end are the same, but they are bent differently... The TJ one fits much better.
If I'm in error of the draglink being the same please let me know how so I can better relay information. Thanks.