For the money I don't think you can beat Mancini's rocker arm sets. They are manufactured by Harland Sharp for Mancini. They are not the needle bearing type ( which I've always felt uneasy about a needle bearing coming apart so I've never used them) but are the bushed type. They come packaged with billet hold downs for a little over 500.00. I've used them along with a few friends also and never had a problem with the rockers or adjusters. I posted a pic and some info on them earlier in this thread.