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

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1. 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. Bypass Style. Used in systems with a return lineback to tank.
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

2. EVIL ENERGY

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EVIL ENERGY 14psi Carburetor Fuel Pressure Regulator Dead-Head Kit Universal with Pressure Gauge and 6AN ORB Adapter Aluminium Black&Red

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EVIL ENERGY #ad - Professional installation is highly recommended. Specifically designed for carbureted street or racing engines on gasoline, the 6AN fuel pressure regulator kit offers higher flow, quicker response and less pressure creep than competing two-port designs. Pressure: 14psi. The dead head carb fuel pressure regulator type does not require a bypass return to the tank.

The fuel pressure regulator is advantageous in the carburetor system, even during dramatic changes in fuel demand, keeps constant fuel pressure over, regulates the pressure of the fuel flowing through the system, this regulator can react more quickly to sudden changes in engine load. Any problem you have, you can contact EVIL ENERGY by Amazon message. A dead-head regulator doesn’t use a return line and therefore there is no fuel redirected back to the fuel tank.

Universal fit for most vehicle's carburetor system. There is one orb-06 inlet port bottom, two orb-06 outlet port side to aid the connection of multiple carbs single carburetor applications should plug one of the outlet ports, one 1/8" NPT gauge port for easy installation of a fuel pressure gauge NPT thread requires thread sealant to seal. Most carbureted engines use this style of regulator which is placed between the fuel pump and the carburetor. We provide after-sales service for the non-return fuel pressure regulator kit.
BrandEVIL ENERGY #ad
ManufacturerSpeedwow Tuning #ad
Part NumberKT01569BA-AMZ1

3. Holley

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Holley Carbureted By-Pass Regulator, Shiny

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

4. Holley

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Holley 12-842 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with Idle Bleed and 3/8" NTP Ports

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Holley #ad - Fit type: Universal. Package dimensions: 6. 096 h x 9. 144 l x 9. 398 w centimeters. Package weight: 07 pounds. Country of Origin : United States.
BrandHolley #ad
ManufacturerHolley #ad
Height0 Inches
Length0 Inches
Weight0.66 Pounds
Width0 Inches
Part Number12-842
Model12-842
Warranty90 days from date of purchase

5. Holley

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Fuel Pressure 59.5 Psi, Holley Bypass Regulator

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

6. 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. Fuel pressure rises on a 1:1 ratio when referencing boost. Universal bypass regulator. All ports are 3/8' npt, with one inlet and three outlets on the main body and one return port on the bottom. 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.
BrandAeromotive #ad
ManufacturerAeromotive #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part Number13301
Model13301

7. JX-Trading

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13301 Universal Bypass Fuel Pressure Regulator 3 Port 3/8 NPT Thread Line Red & Black

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JX-Trading #ad - Npt. Npt, outlet Size :3/8 in. Package: 1 x fuel pressure regulator. Pressure range psi 20-65, regulator Location: Inline, Inlet Attachment:Female threads. Inlet size:3/8 in. Application: Universal. 100% brand new never Used Or Installed. Outlet attachment: Female threads.
BrandJX-Trading #ad
ManufacturerJX-Trading #ad
Part NumberAF0048

8. Holley

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

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Holley #ad - Fit type: Vehicle Specific. 220" 7/32" restriction. Adjustable fuel regulation from 4-1/2 to 9 psi. Durable and long lasting. Mounting bracket included. 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

9. Aeromotive

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

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

10. Holley

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

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