Based on this site
-
http://www.honda-tech.com/showthread.php?t=1527379
I can use earls Part # - 581805 - 5 an tube nut and Part # - 581905 - 5 an tube sleeve but I cant find what psi they are rated at.
I think I am going to a hydraulic shop today that uses Aeroquip products and ask them what they think.