Restoring a 340 need advice

RustyRatRod said
Welcome aboard! Yup, those are 2.02J heads, as evidenced by the "J" casting by the spark plug holes. What do the pistons look like? Do they have two or four eyebrows?

i believe the raised casting on heads is actually a U. from what i am told these heads/engine are from a 70-73 Dart