Flared hard line to AN fittings?

You know that when connecting AN type fittings to hard line you need to have a 37 degree flare, right? You can get by with a 45 to 37 in some instances but not on a high pressure system like EFI. Do it right or you will have problems beyond simple leaks. You can only make 37 degree flares with a 37 degree flaring tool, like this.

Like mentioned above, you need a tube sleeve and a nut on the hard line but again, it really needs to be a 37 degree flare to connect to the AN fitting. There's a zillion adapters out there for these types of applications, just have to figure out which one suits your needs.

What size line are you using? - 6, -8? Where does the hard line end? Where are you going to connect it to the push lock hose?

What about your return lines?

I used Russell fittings on my fuel system but there are several quality brands out there - Earl's, Aeroquip etc.