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

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1. Holley

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

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Holley #ad - Mounting bracket included. Fit type: Vehicle Specific. 220" 7/32" restriction. Adjustable fuel regulation from 4-1/2 to 9 psi. Durable and long lasting. 3/8" npt ports 1 in, 2 out.
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 - Pre-set at 2. 8 psi. 220" 7/32" restriction. Adjustable fuel regulation from 1 to 4 psi. 3/8" npt ports 1 in, 2 out. Mounting bracket included.
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 - Adjustable 4. 5-9psi. 3/8" npt ports. Bypass Style. Used in systems with a return lineback to tank. Carbureted Applications.
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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Holley 12-886 Bypass Regulator, 59.5 Psi Black E-Coat

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Holley #ad - 3/8” npt inlet, outlet, and Return ports. Durable and long lasting. Die cast aluminum construction. 1/8” npt gauge Port. Fit type: Vehicle Specific. 1/8" npt boost reference – 1: 1.
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 height is 6. 604 centimeters. The package length is 9. 652 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. Used in systems with a return line back to the fuel tank. Adjustable fuel regulation from 4-1/2 to 9 psi. Preset to 7psi. Quieter fuel pump operation. Fit type: Vehicle Specific.
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 - Brand new holley chrome carbureted Fuel Pressure Regulator Part #12-803. 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 system: gasoline | inlet size: 3/8" npt | material: Aluminum | Outlet Size: 3/8" NPT | Pressure Range: 4.

5-9 psi | product Type: Fuel Pump. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. The holley 12-803 fuel pressure regulator features 3/8" NPT in/out ports. Each holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task.

Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. 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.
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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Holley Performance 12-880 Adjustable Billet By-Pass Fuel Regulator, Black 12880

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Holley #ad - Fit type: Universal Fit. 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. 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 - 3/8” npt inlet, outlet, and Return ports. 1/8” npt gauge Port. Durable and long lasting. Die cast aluminum construction. 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. Country of Origin : United States. Package dimensions: 7. 366 h x 13. 716 l x 13. 716 w centimeters.
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