370z Radium Engineering 3/4-16 O-Ring Port To -6AN Male

These adapter fittings are designed to be used in many Radium products including fuel rails, surge tanks, fuel pressure regulators, etc. However, they can be used in any application using a 3/4 Inch -16 O-ring port which is the same thread pitch used in -8AN (ORB=O-Ring Boss).