I don’t mess with head weight a lot, but heavy shafts (70g+) are all I use.
I currently play an old TM R540 with a TT DG S300 shaft. Like it a lot.
LBlack14 Srixon made a heavy driver, iirc. 355 maybe?
Edit
Heavy drivers are cool!
I have a Cally GBB Epic and you can buy after market heavier slider weights.