If your lifters or rockers are noisy you have other problems. Find out what it is and fix it. Roller rockers are not the answer. Unless you need rollers because you have alot of spring pressure on a big cam there will on other advantage to using the roller rockers other than the 'WOW' factor. The only thing that they may do is give you a bit more accurate rocker ratio and you can get that with a moderately priced set of doctile iron rockers and not worry abour the rollers self distructing. Remember that going with a set of adjsutables that you will need push rods too. This from Dulcich:
