I haven't put fuel pressue on it yet but it seems good and tight. maybe I should have gotten a straight piece instead of the 45 degree piece.
Got these 3 pieces from Amazon.
Russell 644120 EFI ADAPTER FITTING $13.78
6AN Female Swivel Coupler 90 Degree Hose Union Aluminum Fuel Line Fitting Adapter Black $13.99
Aluminum 6AN Flare to 5/16 SAE Quick Disconnect Male Push-On EFI Hose Fitting Adapter JIC 6 AN 9/16-18 Male to 5/16 inch SAE Black Anodized $8.49
The 3rd pix is the same setup on another Hemi Dakota near me.