Don
I did all my lines with a double flare 1/4,3/8,1/2. the 1/2"  are my fuel
lines with
not as much, and have not done a pressure check on fuel lines yet. I used a
Flaring Tool from Sears in the kit there where a small pack of metal nipple.
The instructions where in the pack however if you have any questions give me
a call
Art
909-931-2727 off.
909-908-2222 hm