Top 10 Holley Fuel Pressure Regulator – Automotive Replacement Fuel Injection Pressure Regulators

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1. Holley

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Shiny, Holley 12-803 Reg, Fuel Pressure 4.5-9 Psi

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Holley #ad - Mounting bracket included. Durable and long lasting. 3/8" npt ports 1 in, 2 out. 220" 7/32" restriction. Fit type: Vehicle Specific. Adjustable fuel regulation from 4-1/2 to 9 psi.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.55 Pounds
Width0 Inches
Part Number12-803
Model12-803

2. Holley

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Holley HOL 12-804 12-804 Fuel Pressure Regulator

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Holley #ad - 3/8" npt ports 1 in, 2 out. 220" 7/32" restriction. Mounting bracket included. Pre-set at 2. 8 psi. Adjustable fuel regulation from 1 to 4 psi.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.1 Pounds
Width0 Inches
Part Number12-804
ModelHOL 12-804

3. Holley

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Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8" NTP Ports

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Holley #ad - Carbureted Applications. 3/8" npt ports. Adjustable 4. 5-9psi. Used in systems with a return lineback to tank. Bypass Style.
BrandHolley #ad
ManufacturerHolley #ad
Height3.5 Inches
Length2.5 Inches
Weight0.66 Pounds
Width3.5 Inches
Part Number12-841
Model12-841
Warranty90 days from date of purchase

4. Holley

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59.5 Psi Black E-Coat, Holley 12-886 Bypass Regulator

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Holley #ad - 1/8" npt boost reference – 1: 1. 3/8” npt inlet, outlet, and Return ports. Die cast aluminum construction. Durable and long lasting. 1/8” npt gauge Port. Fit type: Vehicle Specific.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.5 Pounds
Width0 Inches
Part Number12-886
Model12-886

5. Holley

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Holley 12-840 4.5-9 PSI Adjustable Billet Fuel Pressure Regulator with 3/8" NTP Ports,Black Anodized

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Holley #ad - Package weight : 02 pounds. The package length is 9. 652 centimeters. The package height is 6. 604 centimeters. The package width is 9. 144 centimeters.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.2 Pounds
Width0 Inches
Part Number12-840
Model12-840
Warranty90 days from date of purchase

6. Holley

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Holley Carbureted By-Pass Regulator, Shiny

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Holley #ad - 3/8” npt ports 1 in, 1 out, 1 bypass or return. Fit type: Vehicle Specific. Adjustable fuel regulation from 4-1/2 to 9 psi. Quieter fuel pump operation. Preset to 7psi. Used in systems with a return line back to the fuel tank.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.1 Pounds
Width0 Inches
Part Number12-803BP
Model12-803BP

7. Southwest Speed

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NEW HOLLEY CHROME CARBURETED FUEL PRESSURE REGULATOR,TWO 3/8" NPT PORTS,ADJUSTABLE FUEL REGULATOR,4.5-9 PSI

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Southwest Speed #ad - All holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Features: adjustable fuel regulation from 4-1/2 to 9 psi |. 220" 7/32" restriction | 3/8" npt ports 1 in, 2 out | Chrome finish | Mounting bracket included.

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 and seat and may cause flooding or drivability problems. Each holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task.

The holley 12-803 fuel pressure regulator features 3/8" NPT in/out ports. Specs: color: shiny | emission code: 5 | fuel system: gasoline | inlet size: 3/8" npt | material: Aluminum | Outlet Size: 3/8" NPT | Pressure Range: 4. 5-9 psi | product Type: Fuel Pump. Brand new holley chrome carbureted Fuel Pressure Regulator Part #12-803.
BrandSouthwest Speed #ad
ManufacturerHOLLEY PERFORMANCE PRODUCTS #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberHOL-12-803

8. Holley

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Black 12880, Holley Performance 12-880 Adjustable Billet By-Pass Fuel Regulator

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Holley #ad - Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks. Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks. Fit type: Universal Fit. Adjustable billet by pass regulator.
BrandHolley #ad
ManufacturerHOLLEY #ad
Height2.8 Inches
Length5.3 Inches
Weight1.1 Pounds
Width5.3 Inches
Part Number12880
Model12880
WarrantyManufacturer Warranty

9. Holley

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Fuel Pressure 59.5 Psi, Holley Bypass Regulator

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Holley #ad - Durable and long lasting. Die cast aluminum construction. 3/8” npt inlet, outlet, and Return ports. 1/8” npt gauge Port. 1/8" npt boost reference – 1: 1.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.5 Pounds
Width0 Inches
Part Number12-882
Model12-882
WarrantyNot applicable

10. Holley

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Holley 12-846 8AN Inlet/Outlet 6AN Return 40-70 PSI Billet Fuel Pressure Regulator

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Holley #ad - Package weight: 1. 35 pounds. Package dimensions: 7. 366 h x 13. 716 l x 13. 716 w centimeters. Country of Origin : United States.
BrandHolley #ad
ManufacturerHolley #ad
Height5.3 Inches
Length5.3 Inches
Weight1.1 Pounds
Width2.8 Inches
Part Number12-846
Model12-846
Warranty90 days from date of purchase