Karl - Paul's kit replaces all the fuel lines in the engine compartment. Starts with the fuel outlet from the filter and ends at the return line from regulator back to the metal fuel line that returns fuel to the tank.
Bert87 - I forgot to include the "J" regulator hose in the group shot. Here is the hose in question attached to the regulator:
While the hose may appear kinked, it is not as the metal outer jacket prevents it from collapsing.