Designed for direct mounting onto a fuel cell. For mating, a 6-bolt flange with a 2.18" PCD bolt circle (as found on the FCST) is required. Includes 20-0549-V Dry Break, 1.5in, Female, Vented as well as an aluminum housing, stainless steel hardware, and a gasket. The components, materials, and seals are compatible with all fuel types (unleaded and leaded gasoline, diesel, AV gas, methanol, ethanol, E15, E85, etc.).