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

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1. Holley

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Chrome, Fuel Pressure 6.0 Psi, Holley Bypass Regulator

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Holley #ad - 3/8” npt inlet, outlet, and Return ports. 1/8” npt gauge Port. Die cast aluminum construction. Durable and long lasting. 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 Number12-881
Model12-881

2. 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. Carbureted Applications. 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

3. Aeromotive

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Universal Bypass, 3-Port 3/8" NPT, Aeromotive 13301 Regulator

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Aeromotive #ad - Bypass design provides the ultimate, dynamic fuel pressure control. Base pressure adjustable from 3 to 20 psi with standard spring, installed or from 20 to 60 PSI with high pressure spring included. Capable of regulating any fuel pump between 100 and 250 GPH. Fuel pressure rises on a 1:1 ratio when referencing boost. All ports are 3/8' npt, with one inlet and three outlets on the main body and one return port on the bottom. Universal bypass regulator.
BrandAeromotive #ad
ManufacturerAeromotive #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part Number13301
Model13301
Warranty1 Year

4. Holley

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6 Psi Black E-Coat, Holley Bypass Regulator

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

5. EVIL ENERGY

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EVIL ENERGY 30-70psi Adjustable EFI Fuel Pressure Regulator Bypass Return Kit Universal with Pressure Gauge and 6AN ORB Adapter Aluminium Black&Red

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EVIL ENERGY #ad - Universal fit for most vehicle's efi system. You can regulate the pressure to your needs. It does not matter the direction of flow through the inlet/outlet. The bottom is the return return excess fuel through the line to fuel tank, and the sides are the inlet and outlet. Material: Aluminum Alloy.

Adjustable pressure range: 30psi -70psi. Professional installation is highly recommended. The efi fuel pressure regulator installation instruction included in the package. This bypass pressure regulators return style provides constant effective fuel pressure to the outlet port - pressure overage is bled off through the return port as needed. This efi fuel pressure regulator kit can be capable of supporting applications up to 1000 HP, this leads to that the fuel injector can maintain the perfect ratio between fuel and boost and is good for promoting car performance, the EFI Bypass Regulator can handle high-flow EFI fuel pumps and the most aggressive street machines.

Adjust the set screw on top to get the desired pressure. The fuel regulator pressure gauge range is 0-100psi. We provide after-sales service for the fuel pressure regulator kit. Package included:as the main pic shown. The fuel pressure regulator regulates the fuel pressure against the air pressure/boost, ensuring great lifespan and reliability. The optimum adjustable fuel pressure regulator location is after the fuel rails when possible.
BrandEVIL ENERGY #ad
ManufacturerSpeedwow Tuning #ad
Part NumberKT01568BA-AMZ1

6. Edelbrock

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Edelbrock 174053 Fuel Pressure RegulatorBypass Style 180GPH Blk

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Edelbrock #ad - Have a diaphragm made of fluorosilicate for extended life and high temperature protection. Compatible with all grades of gasoline/methanol. Machined from aircraft quality aluminum for those who demand the best. Fuel pressure regulator Bypass Style 180GPH Black. Fit type: Vehicle Specific.
BrandEdelbrock #ad
ManufacturerEdelbrock #ad
Height3.1 Inches
Length3.9 Inches
Weight0.94 Pounds
Width4.7 Inches
Part Number174053
Model174053
Warranty90 Day Manufacturer

7. Holley

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Shiny, Holley Carbureted By-Pass Regulator

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Holley #ad - Adjustable fuel regulation from 4-1/2 to 9 psi. 3/8” npt ports 1 in, 1 out, 1 bypass or return. Preset to 7psi. Quieter fuel pump operation. Fit type: Vehicle Specific. 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

8. Holley

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

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Holley #ad - Constructed of billet aluminum with a black anodized base and clear anodize top for good looks. Used in systems where a return line is not needed. Adjustable from 4. 5-9 psi for precise fuel pressure adjustments. Fit type: Universal Fit. Includes fitting for manifold reference. Includes an 1/8 NPT gauge port.
BrandHolley #ad
ManufacturerHOLLEY #ad
Height2.8 Inches
Length5.3 Inches
Weight1.1 Pounds
Width5.3 Inches
Part Number12880
Model12880
WarrantyManufacturer Warranty

9. Aeromotive

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Aeromotive 13129 Regulator, EFI Bypass, 1 -6 bypass, Adjustable 2 -6 inlets

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Aeromotive #ad - Fuel pressure rises on a 1:1 ratio with boost. Vacuum boost port. Base pressure adjustable from 30-70 psi. Provides 2 orb-06 inlet/outlet ports and 1 ORB-06 return port. 1/8" npt gauge port.
BrandAeromotive #ad
ManufacturerAeromotive #ad
Height0 Inches
Length0 Inches
Weight0.63 Pounds
Width0 Inches
Part Number13129
Model13129

10. Aeromotive

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1 -6 return, EFI, Aeromotive 13109 Regulator, A1000-6 Injected Bypass, Adjustable, 2 -6 inlets

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Aeromotive #ad - Base pressure adjustable from 40-75 PSI. 1/8 npt gauge port. P/n 13109 provides 2 orb-06 inlet ports and 1 ORB-06 return port. Fuel pressure rises on a 1:1 ratio with boost. Gasoline and alcohol compatible.
BrandAeromotive #ad
ManufacturerAeromotive #ad
Height0 inches
Length0 inches
Weight1.08 Pounds
Width0 inches
Part Number13109
Model13109
Warranty1 Year