NPT Female Threads.
Edelbrock 174043 Fuel Pressure Regulator, Black Anodized
Edelbrock Fuel Pressure Regulator 1789; Low Pressure 1-4 psi, Chrome, 3/8 NPT
Edelbrock Fuel Pressure Regulator 174051;
Edelbrock Universal Adjustable Billet Fuel Pressure Regulator (4.5-9 psi) 8190
Jackspania Aero Style Fuel Pressure Regulator 6AN With Extra Fuel Pressure Gauge
-8 AN Adapter Fittings and fuel pressure gauge for 6 AN Fuel Pressure Regulators
