stock looking engine , BIG POWER |||

Look for some of the articles Andy F did on his stroker big block Coronet like this.
http://www.hotrod.com/how-to/engine/mopp-0501-1965-dodge-coronet-500/

You could do a similar build with the stealth heads which like other people have stated look stock when painted. DP4B intake looks stock and flows good. I think its a cool idea and will be interested to see how you proceed.