hey guys i need some info on aftermarket Rockers i got an 04 GTO with only 24k on it and every so offen i hear valve ,lifter,or rocker type noise , I seen the rollers bearing come apart on the stock rockers i didnt take them apart yet i on some Summit Rockers 1.8 ratio should be here in a few days also i'm going to ck my Push Rods at the same time info????????