Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. 1/8" NPT barb fitting for boost reference port included. The mounting holes in the regulator are not threaded.
Holley 12-886 EFI PRESSURE REGULATOR Black Die Cast Fuel Regulator, 59.5 PSI
Holley 12-887KIT Die Cast Carbureted Fuel Pressure Regulator Kit - Black
Holley 12-887 Black Die Cast Carbureted Fuel Pressure Regulator 6 PSI
Holley 12-886KIT Die-Cast EFI Bypass Fuel Regulator Kit (15-60 PSI)
