Available in both dedicated and universal styles, these swivel-seal fuel lines from Proflow will solve the fuel delivery problems for anybody using dual-feed Holley carburettors. Dozens of fitment and material options are available, including various fuel line and braided flex line construction choices. The AN and NPT Hose Ends are made from aluminium with an anodised finish for durability. These swivel-seal fuel lines couldn't be any easier to install.