Radium Black Top Multi-Pump Fuel Pressure Regulator 20-0100-00. BRAND NEW IN BOX. Mounting bracket with hardware, Three interchangeable orifices, 9/16″-18 (-6AN) O-ring port plug (x2), 3/4″-16 (-8AN) O-ring port plug (x1), -6AN male adapter fitting (x3), -8AN male adapter fitting (x1). The Multi Pump Regulator (MPR) is manufactured in the USA and is the ultimate […]