Holley HO12-865 BILLET 4 PORT FUEL REG 4-9 PSI

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 of fuel flow. Both EFI and carbureted versions can be referenced on a 1:1 ratio. They are precision machined from 6061-T6 billet aluminum for strength and durability and feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. Offered in 2 port and 4 port versions for carbureted or EFI pressures, Holley has the regulator to cover your needs!

- EFI regulators are adjustable from 40-100 PSI base pressure.

- Carburetted regulators are adjustable from 4 to 9 PSI base pressure.

- Compatible with gasoline, methanol, and E85*.

- 1/8" NPT gauge port.

- Designed for use with the Holley VR1 and VR2 Series Brushless in-line fuel pumps.

- Can be referenced on a 1:1 ratio – includes a barb fitting and a -4 AN fitting for reference connection.

- 2 port regulators feature a 10 AN O-ring inlet/outlet and return.

- 4 port regulators feature a 10 AN O-ring inlet and return with (4) 8 AN O-ring outlets.

- Pressure Range (psi): 4.5-9

- Regulator Style: Return

- Regulator Location: Inline

- Boost/Vacuum Reference Port: Yes

- Boost/Vacuum Rise Ratio: 1:1

- Gauge Port: Yes

- Mounting Bracket Included: Yes

- Fittings Included: No

- Rebuildable: Yes

- Inlet Quantity: One

- Inlet Attachment: Female threads

- Inlet Size: -10 AN O-ring

- Outlet Quantity: Four

- Outlet Attachment: Female threads

- Outlet Size: -8 AN O-ring

- Return Attachment: Female threads

- Return Fitting Size: -10 AN O-ring

- Regulator Material: Billet aluminium

- Regulator Finish: Black/Clear anodized

- Quantity: Sold individually.