I use parker Teflon, I have real milspec ends and they cost about $150.00 for the 45* ends each, the parker JIC industrial ends are around $20 each for straight. I think the aeroquip number is 666....it is. See the attached link for more information. Tim

https://www.aircraftspruce.com/catalog/pdf/aeroquip666.pdf

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!