5/16 lines on a T/A. Buy your lines from Fine Lines.
No one sells a decent sender now, lots of complaints about current repros.
Try to find an NOS one.
No one sells repro distributors either, try to find a core to have restored, or NOS.
Spectra is the only way to go for gas tanks.
I need to buy a yellow cap battery for my car too, trying to find the best vendor myself.