Hi, how you doing

I just scrapped my old hard top, 1972 rotten as a pear all the way round, the two mouldings are held on by six pop rivets each, i would hate to have to get to these with the intention of keeping the hard top, the roof lining would be have to come off, which, from what i could make of it would entail removing most of the internal trim, this would be a pain to get back properly.
If you are determined to replace these moulding you could always slit the roof lining along the lenght of the mouldings, drill the rivets and fix the roof lining somehow once the mouldings were replaced.
You might find replacing the whole hard top with a used one far easier, quicker and cheaper.

Good luck