Fuel surge tank compatible with Bosch BR540 or DW400 pumps. Can hold up to three pumps. Fuel pumps sold separately and must be installed by the end user. Approximately 2 liter fluid capacity. Integrated EFI fuel pressure regulator. Adapter fittings included for 8AN outlet, 6AN return, 6AN connections to fuel tank. Other adapter fittings can be used for different hose sizes (sold separately). Compatible with E85 and other fuels.