Need fuel fitting help

[MyFriendScott]

I ordered a new Holley dual feed fuel line to solve a sealing problem at the carb inlet after replacing the carb but that created a new issue, of course. The original fuel line uses a compression fitting coming from the fuel pump into a brass block. The new Holley dual feed fuel line has a female end instead. :pat:

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Holley's site doesn't tell me the size and thread pitch of the female end. I'm hoping someone here can point me in the right direction with the right coupler or connection idea to screw into the Holley fuel line. Thanks in advance.

[MyFriendScott]

Received the Holley fuel line. The female end takes a flared end with a 5/8"-18 male fitting. Since I don't want any rubber lines and hose clamps after the fuel pump, I'm just going to flare the existing line and attach it directly to the Holley dual feed line.