I have Indy EZ's because they give you more room to grow in the future All the stock intake and exhaust fits along with your rocker gear and holdowns. Buy them from a reputable dealer and have the valve job checked and some good springs and retainers installed.
I got mine from Nick Wilson at www.compu-flow.com
Nick can also set you up with a good quality 493 stroker kit and cam while you have him on the phone
Gus