Also, the search function is your friend..... Many of these types of questions have already been answered in great detail.
Yes, I understand. Trying to strike a balance between spending my time and wasting yours. On another forum related to cars, this same question has a hundred pages of answer (chassis differences over the years). I suspect these SOHC frames changed little, if at all.
I am acquiring a 1978 CB750K, and I wonder if an earlier tank and side covers would fit.