340 Max HP Potential with X/J heads?

Here's a dyno sheet from my 340/416 stroker with mildly-ported J heads and 10:1 compression, .547 lift cam. Don't have it in the car yet but I'm guessing it should be a pretty fun street car with 3.73 gears.

Dyno Pull # 10.jpg
IMG_20180722_161837657_HDR.jpg