the ludespeed turbo kit is still avail, but you have to group buy it.

www.absoluteprelude.com
www.preludeonline.com
www.preludepower.com (as said above)

there is a few parts that can be changed from year to year, but your best bet is to do a 22 swap if you want speed in that thing.....I had a 1988 2.0s (carb'd) and it was just a blast to drive....slow, but a blast