So I'm just gonna replace it with AN fittings and use a steel braided line.
Using this guide
The very first step is a 5/16 to 6AN fitting. I'm not 100% certain what it means by that.
M12x1.25 to 6AN fitting: https://www.summitra...arts/vpe-16615/
1' ft PTFE hose with fittings: https://www.summitra...fra-60261212bl/
Edited by varzaman, 20 April 2019 - 09:02 PM.