Gary, I'll try to get this started. I am assuming you are looking at a street motor. If this is the case, I think you have a darn good start. As far as pistons go, I would consider a hyperutectic (sp) piston that would give you a final compression ratio of no more than 9.5. With this and iron heads, you should be safe with pump gas. A 9.0 ratio would be better. As for teh crank, I am using a cast steel crank from SCAT in my 454. I got it from Northern Auto Parts at a great price and I ma very happy with it. A cam is a big choice thing. I am not a cam guru so I will keep my comment simple. I would look for something that will work in teh 2000 to 6000 RPM range. I prefer hydralic on the street but a solid cam is also good, if you don't mind adjusting the valves. Like I said, this is a start. AS for rods, stock rebuilt rods with ARP bolts should work well with no problem. I use Clevitte bearings, but Federal/Mogul and others are also good. Just food for thought.