Top 10 Bypass Fuel Pressure Regulator for Carburetor – Automotive Replacement Fuel Injection Pressure Regulators

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1. Holley

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Holley 12-841 HP Billet Carbureted by Pass Fuel Pressure Regulator

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Holley #ad - Bypass Style. Carbureted Applications. Used in systems with a return lineback to tank. 3/8" npt ports. Adjustable 4. 5-9psi.
BrandHolley #ad
ManufacturerHolley #ad
Height3.5 Inches
Length2.5 Inches
Width3.5 Inches
Part Number12-841
Model12-841
Warranty90 days from date of purchase

2. Holley

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6 Psi Black E-Coat, Holley Bypass Regulator

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Holley #ad - 1/8” npt gauge Port. 1/8" npt boost reference – 1:1. 3/8” npt inlet, outlet, and Return ports. Die cast aluminum construction. Durable and long lasting. Fit type: Vehicle Specific.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.5 Pounds
Width0 Inches
Part Number12-887
Model12-887

3. FOUF

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Adjustable Carburetor Fuel Pressure Regulator 4‑1/2 to 9 Psi Zinc Alloy 12‑803 for Holley, FOUF Bypass Billet Fuel Pressure Regulator with 3/8'' NPT Inlet and Outlet, Compatible with Gasoline

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FOUF #ad - Improve carb performance: regulates fuel pressure to avoid valve needle and seat pressure overloads that can lead to overflows or drivability problems.

Application: carb fuel pressure regulator is professionally designed for Holley and for Edelbrock carburetors, 3/8in NPT port 1 in, OE number is 12‑803, 2 out. Usage: fuel pressure regulator is designed to precisely control the fuel pressure from the fuel pump to the carburetor, practical carb part. Function: fuel pressure regulator enables you to regulate your fuel pressure based on your carburetor and vehicle application needs. Solid material: fuel pressure regulator is made of high strength zinc alloy material, anti rust, wearproof, sturdy, not easy to damage.
BrandFOUF #ad
ManufacturerFOUF #ad
Part NumberFOUFnym3d2vr078612

4. Edelbrock

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Edelbrock 174131 Fuel Pressure Regulator Bypass Style 160GPH Red

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Edelbrock #ad - Machined from aircraft quality aluminum for those who demand the best. Fuel pressure regulator Bypass Style 160GPH Red. Compatible with all grades of gasoline/methanol. Have a diaphragm made of fluorosilicate for extended life and high temperature protection.
BrandEdelbrock #ad
ManufacturerEdelbrock #ad
Height3.1 Inches
Length4.7 inches
Weight0.82 Pounds
Width3.9 inches
Part Number174131
Model174131
Warranty90 Day Manufacturer

5. Southwest Speed

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NEW HOLLEY CARBURETED BYPASS FUEL PRESSURE REGULATOR,STREET,STRIP,2 PORT,4.5-9 PSI,COMPATIBLE WITH ELECTRIC FUEL PUMPS W/RETURN LINE

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Southwest Speed #ad - Brand new holley carbureted bypass Fuel Pressure Regulator, Shiny Finish Part #12-803BP. Fits: electric fuel pumps with a return line in the system | features: adjustable fuel regulation from 4. 5 to 9 psi | preset to 7 psi | 3/8" npt ports 1 in, 1 out, 1 bypass or return | used in systems with a return line back to the fuel tank | Quieter fuel pump operation | Designed only for carburetor use | Polished finish | Mounting bracket included.

Each holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. If you are using a mechanical fuel pump, use the 12-803 regulator. Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle & seat and may cause flooding or drivability problems.

All holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Specs: color: shiny | emission code: 5 | fuel type: gasoline | inlet size: 3/8" npt | material: Aluminum | Outlet Size: 3/8" NPT | Pressure Range: 4. 5-9 psi | product Type: Fuel Pump. The holley 12-803bp fuel pressure regulator features 3/8" npt in/out ports and a 3/8" npt return port. Note: the 803bp is designed for use with an electric fuel pump with a return line in the system.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberHOL-12-803BP

6. Quick Fuel Technology

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Quick Fuel Technology 30-803 Fuel Pressure Regulator

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Quick Fuel Technology #ad - Includes mounting bracket. Includes an 1/8" NPT port for manifold reference. Supports 4-barrel gas engines up to 600 HP. Designed to operate within 4. 5 - 9 psi range. Preset at 7 PSI.
BrandQuick Fuel Technology #ad
ManufacturerQuick Fuel Technology #ad
Height0 Inches
Length0 Inches
Weight0.74 Pounds
Width0 Inches
Part Number30803
Model30-803

7. Spectre

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Spectre Performance 2518 Fuel Pressure Regulator

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Spectre #ad - Adjustable through a pressure range of 1 psi to 4 psi. Barb fittings and mounting hardware included. 3/8 inch barb fittings and mounting hardware included. Bright plated finish. Adjustable through a pressure range of 1 psi to 4 psi. Bright plated finish. Use with 2515 or 59013 fuel pressure gauge. Made from high quality material. Made from high quality material. 3/8 in. Use with 2515 or 59013 fuel pressure gauge.
BrandSpectre #ad
ManufacturerSpectre #ad
Height6 Inches
Length4 Inches
Weight0 Pounds
Width3 Inches
Part Number2518
Model2518
Warranty90 Days

8. Holley

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Shiny, Holley Carbureted By-Pass Regulator

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Holley #ad - Used in systems with a return line back to the fuel tank. Preset to 7psi. Fit type: Vehicle Specific. Quieter fuel pump operation. Adjustable fuel regulation from 4-1/2 to 9 psi. 3/8” npt ports 1 in, 1 out, 1 bypass or return.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.1 Pounds
Width0 Inches
Part Number12803BP
Model12-803BP

9. OSIAS

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OSIAS Universal Adjustable Aluminum FPR Fuel Pressure Regulator Kit +160 Psi Pressure Gage AN6-6AN Fuel Line,Hose Fitting Connectors Kit …

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OSIAS #ad - Oil gauge needle shows you exact reading & Tune the fuel pressure to meet your needs,The oil in the gauge stabilizes the needle to give you the most accurate readings. Add moderate fuel-injection quantity without changing computer oil supply mode, Fuel pressure regulator provides high performance, to save much money, long life and high reliability operation.

Based on premium stainless steel & t7 aluminum Alloy materials & Nylon, light weight and portable, securely, Application: Universal, Such as fuel for automobiles or marine engines, most.

Adjustable fuel pressure regulator kit comes with a 1-3/4'' | 45mm gauge & 1/8'' NPT gauge port, adjustable from 0 to 100 psi to maximum fuel pump capacity, and 6AN inlet ports and return port. Designed for use with an electric fuel pump where fuel pressure is steadily delivered. Adjustable fuel Pressure Regulator to tune the fuel pressure to your needs.
BrandOSIAS #ad
ManufacturerOSIAS #ad
Part Number0412BLUESILVER
Model0412BLUESILVER

10. OSIAS

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OSIAS Universal Aluminium Adjustable EFI Fuel Pressure Regulator Bypass Return Kit +160 Psi Pressure Gage AN6-6AN ORB Fitting Connectors Kit Black & Red …

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OSIAS #ad - Sizethe hose end fitting made of high quality T6061 Aluminum and -6AN size. Support high power application: 300-800 H. Universal for all Type Cars,2years Warranty. Materialthe fuel hose made of 304 stainless steel & 380mm & CPE synthetic rubber, Length: 170mm & 660mm. Featurecomes with a 1-3/4'' | 45mm gauge & 1/8'' NPT gauge port, adjustable from 0 to 100 psi to maximum fuel pump capacity. Packercomes with a fuel pressure regulator, -6AN inlet ports and return port.
BrandOSIAS #ad
ManufacturerOSIAS #ad
Part Number0412BLACKRED
Model0412BLACKRED