proflow fitting, fuel adaptor holley 7/8-20an to 5/8-18 convex seat, silver, 2pc

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.