just looked really quick... 1992 300zx turbo... the front's are 58 bucks a piece.
Advance Auto Parts: Brake Caliper-Front by Remanufactured - Part 19-1400

better than the 150 a pair the usually go for...

you'd want to go to the store and put your hands on them first to make sure they are the aluminum ones and all of that. but that should be what you are lookin for.