I was told it was, I'm not an engine guy so I really don't know. The parts are good from what my friend told me and the heads look like they just need to be checked for 100% surety.
I have a 1970 340 engine that has been apart since 2004. Overall good condition, heads look great and probably just need to be inspected. It had loose main bearings which is why I didn't use it at the time. My son took ownership but he is no longer able to complete his dream. Its complete less...