Size: AN6 to 5/8x20 thread,the thread size of AN6 is 9/16-18 UNF. Material: Made of 6061-T6 aluminum alloy, including aluminum washers. Parameter: Max Working Pressure: 1500PSI. Working Temperature Range: -40°F to 250°F. Application: Fits Thunder, Performer Series, and AFB carbs with a 5/8-20 thread. Sealing：The AN side of the flare is sealed by a 37 degree angle. EVIL ENERGY is our brand, we're a direct and professional manufacturer, one of greatest manufacturer and exporter in tuning parts include intake system, exhaust system, fuel system, cooling system, interior and exterior parts. The male to female fitting made of lightweight aluminum alloy and widely used in oil cooler, fuel cel, turbo discharge of motorcycle, power steering pump,etc. The AN thread is sealed by a 37 degree angle. 360° swivel design for easy installation.