The fuel pressure is stock whatever that is (~6 psi?!?).
It's a stock 5/16" fuel pump and 5/16" lines.

1969 Dodge Super Bee A12 (440 Six Pack, 4-speed, Dana 60 4.10)

1972 Plymouth Road Runner (400, 4-speed, 8.75" 3.23)

1974 Plymouth Duster 360 (360, 4-speed, 8.75" 3.23)