Aeromotive Marine Carbureted Adjustable Regulator ORB-06 13211 - Specifically designed for carbureted marine engines, these adjustable regulators offer higher flow, quicker response and less pressure creep than competing two-port designs. Adjustable from 5-12 PSI. Provides ORB-06 inlet and outlet ports. 1/8' NPT gauge port included. Regulator re-seats after the needle shuts down, preventing pressure creep.