71 dart front brakes

I just went through this a couple weeks ago. Twisted that line in half like you did. I got new ss lines from the right stuff (The Right Stuff - Disc Brake Conversions, Pre-Bent Lines, Brakes and More). I ended up making them work but I can’t say I recommend them. They sent me the wrong part twice! I couldn’t believe it. Then when they got here they didn’t fit right.... i had to bend them into shape. Worst of all the nut that screws into the wheel cylinder was way smaller than oem... a total PITA to tighten. I wish i had kept the original lines so I could put the old nut on and reflange the line. The new line was too long anyway so that would have worked.