Type: Nylon Stainless Steel PU (Polyurethane) Made Fuel Line for AN-8 swivel fittings Size: AN-8 Inside Diameter- 7/16" (30.7mm); Outside Diameter - 5/8" (16.3mm) 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: .