The lower line is the brake line. Rubber hoses for the filler neck and vent are also available from the usual suspects - sometimes as a kit wit h filler neck grommet, sending unit, etc.
If you need a sending unit, get the one Jon G talkes about on this forum. It's the only one that is actually accurate and it's only $30.
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)