mopar 413 engine???

No way a 413 will bore to a 440 bore size. Ain't happenin. That's .135" over. Get a clue. The 413 was great in the day, but throw it in the ditch and keep the crank and rods. That's all that's any good for anything. Egge Machine is the ONLY manufacturer that makes replacement pistons for the 413. CAST is all that's available and they are over 400 bucks. To get something forged, you have to go custom. That's around 1K. Read all this again if you are hard headed. The 413 ain't worth it. I don't give a rats butt who has one or how fast it is. Don't waste your money. Get a 440.