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Holley Carburetor Bypass Style Fuel Pressure Regulators 12-803BP


Fuel Pressure Regulator, Bypass Style, Natrual, Carbureted, Gasoline, Each

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Brand: Holley
Manufacturer's Part Number: 12-803BP
Summit Racing Part Number: HLY-12-803BP

UPC: 090127605172
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.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Holley carburetor bypass style fuel pressure regulators are designed for use in systems that require a return line back to the tank. They are used for carbureted applications only, and are preset at 7 psi. The regulators are made of aluminum and feature a satin finish.


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1 Customer Reviews for Holley 12-803BP - Holley Carburetor Bypass Style Fuel Pressure Regulators

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bypass regulator

Summit RacingSummit Racing Verified Purchase

very good product,i'm useing the high pressure pump that came on the truck and it keeps the pressure down to 7 psi for the carb

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Reviewer: CARL from GA

Date: March 10, 2014

Ease of Installation

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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