Sold by the foot. 7.9mm Fuel line is the pressurized line for fuel delivery to and around the engine (30R14 rating rates the same as J30R9 with a new nylon interior barrier to prevent bio-diesel from soaking through). It is not the fuel line that is used for the tank breather system. It is thick and high quality (labeled as 5/16 but is correct fit on all Vanagon fuel injection fittings).13 feet is enough if you are doing the whole car. Use the non-serrated clamps with the rubber hose. This hose is fuel-injection rated (up to 225psi), Multi-fuel compatible (meaning all blends of gas) and biodiesel. Made by Gates.

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