enderrorism

Whats up guys I have been reading allot and found only a couple answers, so here you go Ls vtec, can I use gsr pistons? A couple of people told me no way because wrist pins are different , I searched on here and some say you can ,anybody REALLY know. I only ask because my buddy gave me some with 25,000 on them and im trying to decide before I break it all down, thanks in advance !!! By the way this sight kicks ***.