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Holley

Holley Adjustable Fuel Injection Regulators

4.02 out of 5 stars 43 Customer Reviews

Holley adjustable fuel injection regulators are able to provide all of the fuel pressure that your high performance, fuel injected vehicle will require. They utilize a special wave spring to maintain constant fuel pressure. Some models are universal fit, while others are designed for specific vehicle applications. The regulators are available for inline or fuel rail mount, with various psi ranges. Select the adjustable unit tailored to your driving needs.

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Holley Adjustable Fuel Injection Regulators 12-886

Holley Adjustable Fuel Injection Regulators 12-886

Holley Adjustable Fuel Injection Regulators 12-886

Fuel Pressure Regulator, Die-Cast EFI Bypass/Return, Adjustable, 15-60 psi, Inline, 3/8 in.-NPT Main Ports, 1/8 in.-NPT Ports, Aluminum, Black, Each

Part Number: HLY-12-886

4.35 out of 5 stars ( 20 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

Holley Adjustable Fuel Injection Regulators 12-882

Holley Adjustable Fuel Injection Regulators 12-882

Holley Adjustable Fuel Injection Regulators 12-882

Fuel Pressure Regulator, Die-Cast EFI Bypass/Return, Adjustable, 15-60 psi, Inline, 3/8 in.-NPT Main Ports, 1/8 in.-NPT Ports, Aluminum, Chrome, Each

Part Number: HLY-12-882

2.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/3/2025

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Estimated Ship Date: Monday 11/3/2025

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