I found these and I know there are some out there looking 4 them.

http://www.courtesyparts.com/ur/maxima.html

So will they fit?

 

Here is a nice clear answer.

Maybe?

The problem is you'd would have to change the way your route your belts to that of a 3rd gen VG. I also think the crank nose maybe different on 89 and newer VG's which might be a problem.



S