Professional Products 10415 dual feed fuel line for Holley 4150 Double Pumper and Street Avenger. Features unique inlet adapter to allow the use of either -6AN or -8AN fittings. It covers you with either size included! Braided stainless steel line with anodized -6AN and -8 AN fittings, built in carburetor inlet fittings and built in stainless steel filter screens. Includes a 1/8" pipe port for use with fuel pressure gauges. Carburetor inlet fittings measure 7/8-20 with 9 13/32" spacing. Male -6AN or -8AN fuel line inlet fittings can be used on either end of the line and includes a cap to cap of one end. This line can recieve fuel from either end. All of these features make this the best dual feed fuel inlet line available! Professional Products 10415 braided dual feed fuel line -6AN -8AN 10415 We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.