Proflow Fitting, Fuel Adaptor Holley 7/8-20AN To 5/8-18 Convex Seat, Blue, 2Pc

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These Holley unions convert 7/8”-20 to 5/8”-18 inverted flares, allowing the use of our PFEFS2197 fuel rail or a PFE704 for custom plumbing. Will fit all centre pivot fuel bowls and some Quadrajet. Kit includes 2 pieces with washers.