Type: Nylon Stainless Steel PU (Polyurethane) Made Fuel Line for AN-6 swivel fittings Size: AN-6 Inside Diameter: 8.7mm (3/8") Outside Diameter: 13.7mm (7/13") Pressure Rating:3000 Working PSI / 5000 Burst PSI Temperature Rating:-300F to 500F (-73°C to + 260°C) under most operating conditions. Application: fuel, lube, alcohol, ethanol, coolant and air for automobiles or marine engines, most suitable for racing cars & motor racing bikes. Product Features: .