Carburettor & EFI Fuel Pressure Regulator HO12-879

4-65 PSI, x2 3/8" NPT Inlet/Outlet & x1 3/8" NPT Return With 1/8" Vacuum Port

HO12-879

12-879

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminium for strength and durability. These regulators are adjustable from 4-65 psi and will handle both carbureted and EFI applications. They are offered with two port sizes, 3/8" NPT or 6AN to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, these regulators will have you covered either way. Features: Adjustable from 4-65 psi for precise fuel pressure adjustments Constructed of billet aluminium with a black anodized base and a clear anodized top for good looks Used in systems with a return line back to the tank (1) 3/8” NPT Inlet; (1) 3/8” NPT Outlet; and (1) 3/8” NPT Return Port Includes fitting for manifold reference Includes an 1/8 NPT gauge port Boost Reference - 1:1