you need to get the P10 fronts and the 95-99 sentra/200sx rear agx's. those should fit fine on a p11.
btw, my front AGX's are for sale if you want them, they're only about 2 weeks old. (i never got around to getting the rear ones yet) and i have a set of eibach pro-kits for a p11 also for sale...
for more info. just click on the link in my sig. to go to my classifieds