i was looking at these wheels, but ended up gettin a different set.
(http://i25.photobucket.com/albums/c73/gmby23/f0855087.jpg)
they are centerline TridentII. 16x8 and have 5.5" backspacing. 5lug, and he has the center caps to go with them.
here is a random picture off the internet of a car with the centercaps installed
(http://members.pen 15s.net/chipsbyal/page/project/280z/ZackSideView.jpg)
i know these older centerlines can be hard to find sometimes, so if you are interested in them shoot me your email and i will let him know. he was asking $200 plus shipping from nevada.