Now - to address getting everything in the rack lined up for your bolts to be installed:.....
The main challenge will be to not let the two flat washers fall because, again......
NOTE: As if there aren't enough moving parts to control all at the same time, I highly recommend putting blue thread locker on the bolt threads just before you start installing them......
Edited: The replacement bolts that come in one of the Moog inner tie rod bushing kits have 16mm heads, not 15mm heads as I originally posted. The "How To" that was linked by the OP also says 15mm heads. There are other brand bushing kits available such As ACDelco, which may have 15mm bolts. I don't know if the Mopar replacement bolts referenced in the TSB on the subject are 15mm or 16mm heads. (By the way, a 5/8" socket is 15.9mm, and should also work.) With either the replacement bolts or the original ones with the larger heads, I'd recommend using a 6-point socket or combination wrench rather than 12-point to avoid slipping and rounding the heads. 3/8" drive equipment, including a torque wrench, will obviously fit with more clearance in the tight space to remove and install the bolts.
You will also see different posts saying the original Mopar bolt heads are 21mm or 22mm. The original poster in the other good How-To from the allpar forum about the 1st Gen (linked below in this thread also) says 21mm, but one of the "additional notes" at the bottom says 22mm.
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Good write-up on getting things lined back up, which the manuals and most of the How-Tos don't address very well (there are a few online here and on the allpar forum and at least one YouTube video). Obviously the service manuals should have made clear to not to take both tie rods bolts out off at the same time (or else re-insert them them as soon as removed from the tie rod end (?) so the rack spacer block doesn't get out of alignment. And they should tell you about the washers in the back falling off! In any case the Factory Service Manual would be good to download and it has the torque spec. It is 74 ft-lb, but always double check the printed material (it was changed by a TSB in the late 90s from 55 ft-lbs when it was found bolts at that torque could loosen after bushing wear without threadlocker). The FSMs in pdf links are still in the Service Information subforum (link in red letters on main forum page) under this 2nd Gen Forum and the 1st Gen Forum.
The OP probably already completed the job, but for others, here's s some more info.
First, the complete inner tie rod ends for both 1st and 2nd Gen LH cars are sometimes available NOS at a low price on Rockauto as "wholesaler closeouts." These obviously have the one-piece poly bushings pressed in. The old tie rod ends can be re-used with the Moog two-piece bushing kit by very carefully drilling out the poly of the old bushings with a small drill bit, and wire brushing out any residue. (Old-school shops used to burn supsension bushings out with a torch to speed things up). I'd recommend painting the tie rod ends with Rustoleum to reduce surface rust.
If the washers get lost and you can't retreive them with a magnetic or grabber pick-up tool (very handy), good hardware stores and some NAPA and a few of the remaining CarQuest stores will have high-strength metric washers with the grade 10.9 metric bolts.
When removing or reinstalling washers in this type of hardware stack-up you can hold them in place temporarily with some thin strips of masking tape on the top and bottom so they don't fall down. (Can also do the same with masking tape to hold a loose bolt to a socket.) And when removing or installing you can put an old large towel or drop cloth down below so if they fall, they don't fall into the abyss (good idea for working on anything with little parts that can get dropped and bounce or roll away.)
I believe the factory bolts have 22mm hex heads (at least on the 1st Gen). The bolts and washers that come in the Moog K7408 Bushing Kit ($12 on Amazon or $14 Rockauto) are 16mm, and I think the replacement bolts listed in the original Mopar Techincal Service Bulletin on this subject may also be 16mm heads. Even though they had new bolts listed in the TSB, I assume it is fine to re-use the old bolts - unless they became loose and have any visible wear on the shaft or threads. I don't know why they went to smaller heads, except one reason may have been to fit a 3/8" drive socket and ratchet and torque wrench in the tight space (I read some people resorted to cutting down 1/2-drive 22mm sockets to fit).
Moog also sells a different MOOG K7349 kit shown in the above reply post that doesn't come with the grade 10.9 16mm head bolts, or the thick reusable "retaining plate." However, even if you are using new inner tie rod ends with bushings pressed in place, it is worth it to buy one of the kits to get a new thin plate with the bendable locking tabs, since the old ones could weaken, bending them a second time against the bolt heads. Some Mopar tab plates are still around for sale (can Google p/n in Parts Catalog), but with the Moog kit you obviously get new press-in bushings too. HOWEVER, the complete Moog inner tie rod ( with one-piece bushings pessed-in) comes with a new tab plate, so use that new one.
When you re-install the bolts, yes use some threadlocker as was written. It is a safety issue to hold that bolt in place, since the bushings do wear over time. Without the threadlocker, when the bushings wear significantly, the bolt could loosen and you could lose steering control. After replacing the bushings or complete inner rod ends, it is a good idea to have the bushings visually inspected at every alignment service. Worn bushings can show up in the alignment report as "play in the steering"; it doesn't mean the steering rack is bad. Here is a picture of the Permatex ORANGE threadlocker that is removable also, but says is three times stronger than blue. Autozone had it.
When bending the lock tabs on the thin plate, it is harder to get them to contact and restrain the bolt heads on the 16mm hex head than the original 22mm. After torquing to spec, you need to bend the tabs down. If you just bend them straight over, unlike on the larger 22 hex head, they won't really do much to lock the 16mm hex. So you can try to do an "L-shaped" bend in the tab using some padded channel locks pliers (can wrap with duct tape), or whatever pliers you can fit in there and not mangle the tab. I read that others have bent the tab over and then used a small brass punch with light taps to GENTLY indent it against the bolt head, but I 'd try the channel locks or other padded pliers first. See the photo below, where the red line is the shape of the bent tab to hold the hex head in place should it loosen.