The Edelbrock #12415 fuel bowl inverted flare fitting is a 3/8" inverted flare fuel inlet fitting with 7/8"-20 male threads and a 5/8"-18 inverted female flare. Designed for Holley carburetors including 2300, 4150/4150HP, 4160 (center-hung floats only), 4500 and 4500HP, it includes sealing washers for installation.
Edelbrock Fuel Bowl Inverted Flare Fitting Straight Male 7/8In-20 w/ Inverted 5/8In-18 Female Flare