Universal Adjustable Fuel Pressure Regulator. Black. Inlet: 2 X -6 (9/16-18) Outlet: -6 (9/16 in-18) Gauge Port: 1/8 inNPT Universal Adjustable Fuel Pressure Regulator, Black Anodized, Inlet 2 X -6 (9/16-18), Outlet -6 (9/16-18), Gauge Port 1/8-inch NPT
