AirDog PureFlow Universal Fuel Pressure Regulator With 5 -8 ORB Ports 7-70psi

This regulator utilizes -8 O-ring Boss Ports which can be adapted to -10AN if needed. AirDog Fuel Pressure Regulator - Universal. - All Ports are -8 O-Ring Boss (ORB) Thread pitch 3/4-16. Diaphragm Fuel Pressure Regulator Features.