i saw some "AEM Tru-Power Pulleys" for like $170...i've heard good thigns bout pulleys but i've also heard they give u a rough idle...are these things a waste of $$$ of what are gains/advantages that you all have noticed...
P.S.-IF i get em' they're gonna go in a GSR motor thats in a 98 ex

the ones i was looking at---->http://www.performancepartz.com/index.php?cPath=542_574