Aeromotive SS Adjustable 3/8" NPT Regulator 13205 - Specifically designed for carbureted street or racing engines, these adjustable regulators offer higher flow, quicker response and less pressure creep than competing two-port designs. Ideal for dedicated nitrous applications. These regulators are used by many of the NASCAR® teams. Adjustable from 5-12 PSI. P/N 13205 provides 3/8' NPT inlet and outlet ports. 1/8' NPT gauge port. Regulators re-seat after the carburetor needle shuts down, preventing pressure creep. Includes mounting bracket.