The pipes are steel - if your going to the hassle of replacing the fuel lines then you may as well do the job right.

Go to a local steel merchants with either an off cut or correct sizes (outer so it'll go back in the the ford clips) if like the local company i use they have every single size so you'll get sorted buy the two lengths and they should cut them to size for you so measure the old including the bend up the bulkhead.

The buy 4x AN6 weld on fittings off ebay and silver solder on each end, if you have a company local to zinc coat them after so they'll outlast the car then you can run braided hose to both FPR and fuel rail in the engine bay and on the rear to the pump and tank

Sounds hard to do but it's really straight forward really