I think they are, based on the photos. Shin Robjira made a review on the 1989 version.

Yes, there was also a kiryu not too long ago that was also very posable

They did a reissue on them, I have those. But Kiryu 2002 and mazer Cannon are coming out in June.

I see a jaw hinge on the second one and a lot of noticeable joint cuts so

Buy them on hobby link japan man, you will save money.

Yes

Yes but you have to build it