Holley 12-865 4 Port VR Series Fuel Pressure Regulator
Add to Favorite Sellers. Holley 12-865 4 Port VR Series Fuel Pressure Regulator. Four Port Adjustable 4 to 9 PSI Boost Reference 1:1; The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel systems product line. These regulators can support 3000+ horsepower engines that require high volumes […]