Originally posted by 96BlackSE: Hey guys, I just weighed the pullies just out of curiosity. Stock Lightened and underdriven P/S 691.2 gr 446.8 gr Alt 292.5 gr 189.6 gr Note that the P/S was larger by 10% and the alt by 20% Couldn't get around shipping the alternator pullies tonight but they will go out first thing in the morning tommorow Thanks