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Holley

Holley HO12-803BP Carburetor Bypass Style 4.5-9 PSI Fuel Pressure Regulator

Holley HO12-803BP Carburetor Bypass Style 4.5-9 PSI Fuel Pressure Regulator

HO12-803BP
$268.10 AUD
$268.10 AUD
Sale Sold out
Tax included. Shipping calculated at checkout.

Holley carburetor bypass style fuel pressure regulators are designed for systems that require a return line back to the tank.

They're used for carbureted applications only, and are preset at 7 psi. The regulators are made of aluminum and feature a natural or black finish.



  • Pressure Range (psi): 4.5-9
  • Regulator Style: Return
  • Regulator Location: Inline
  • Boost/Vacuum Reference Port: No
  • Gauge Port: No
  • Mounting Bracket Included: Yes
  • Fittings Included: No
  • Rebuildable: Yes
  • Inlet Quantity: One
  • Inlet Attachment: Female threads
  • Inlet Size: 3/8 in. NPT
  • Outlet Quantity: One
  • Outlet Attachment: Female threads
  • Outlet Size: 3/8 in. NPT
  • Return Attachment: Female threads
  • Return Fitting Size: 3/8 in. NPT
  • Regulator Material: Aluminum
  • Regulator Finish: Natural
  • Quantity: Sold individually.
  • Notes: Cannot be used with mechanical fuel pumps. Not for use with fuel pumps intended for fuel injection or pumps that provide more than 14 psi

Manufacturer Part Number:

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