They accept port style and non-port style union fittings without interference. Fuel Pressure Regulator Features 1/8” NPT gauge port with plug for external pressure gauge. 1/8” NPT pressure reference port with barbed fitting.
Fuelab Fuel Pressure Regulator adjustable FPR -6 in out Fuel Lab Black 51502
Fuelab Efi Electronic Fuel Pressure Regulator -6an 25-90psi Black
Fuelab Black Anodized 25-90 psi 515 Series Fuel Pressure Regulator -6AN 51502-1
Fuelab Pro Series Fuel Pressure Regulator 40–80 PSI | 10AN In/10AN Return
Fuelab 515 EFI Adjustable Fuel Pressure Regulator FPR 2x -6AN In 1x -6AN Return
Fuelab 52501-1 Fuel Pressure Regulator In-Line 25-90 PSI Black Anodized
