1966 Plymouth Valiant

Of course! You have a great looking car!

I got the tank at carparts.com probably because it was the most affordable as they say: (it's actually $3 cheaper now).

I got the sending unit at Rock Auto 1966 PLYMOUTH VALIANT 2.8L 170cid L6 Fuel Sending Unit | RockAuto

Filler neck to tank grommet and filler neck gasket at Detroit Muscle Technologies, LLC Mopar & AMC muscle car restoration gaskets

Mopar A Body 63-66 Fuel Gas Tank Tube Grommet 2203473


Good luck!