Holley Fuel Pressure Regulators

Fuel Pressure Regulators, Die-Cast By-Pass, Adjustable, 4.5-9 psi, Return Style, In-line, 3/8 in.-NPT Ports, 1/8 in.-NPT Gauge Ports, Aluminum, Each

Part Number: HLY-12-881

4.15 out of 5 stars ( 52 )

Estimated Ship Date: Tuesday 9/2/2025

Fuel Pressure Regulators, HP Billet, Low Pressure, 4.5 to 9 psi, Return Style, 3/8 in. NPT, Inlet and Outlet, Black Finish, Bracket, Each

Part Number: HLY-12-841

4.03 out of 5 stars ( 38 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Carburetor Bypass Style, Return, 4.5-9 psi, Black, One 3/8 in. NPT Female Inlet, One 3/8 in. NPT Female Outlet, Each

Part Number: HLY-12-887

4.11 out of 5 stars ( 83 )

Estimated Ship Date: Tuesday 9/2/2025

Fuel Pressure Regulators, Adjustable, Return, Inline, 15-60 psi, Aluminum, Black, One 3/8 in. NPT Female Inlet, One 3/8 in. NPT Female Outlet, Each

Part Number: HLY-12-886

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Tuesday 9/2/2025

Fuel Pressure Regulators, HP Billet, Adjustable, 4-65 psi, Return Style, Inline, 3/8 in.-NPT, Female Thread, Aluminum, Black, Clear Anodized, Each

Part Number: HLY-12-879

3.95 out of 5 stars ( 20 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Bypass Style, 4.5-9 psi, Return Style, Inline, 3/8 in. NPT Ports, Female Thread, Aluminum, Natural, with Bracket, Each

Part Number: HLY-12-803BP

4.03 out of 5 stars ( 60 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, HP Billet, Adjustable, 4-65 psi, Return Style, Inline, -6 AN Female O-ring, Aluminum, Black, Clear Anodized, Each

Part Number: HLY-12-880

2.37 out of 5 stars ( 19 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, HP Billet, 15 to 65 psi, Inline, Return Style, -8 AN Inlet and Outlet, -6 AN Return, Black Finish, Bracket, Each

Part Number: HLY-12-846

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Filters, Aluminum, Pressure Regulator, Inline, Return, 59.5 psi, 10 Micron, Fuel Injection, 175 GPH, 3/8 in. NPT, Each

Part Number: HLY-12-875

4.0 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Dominator Billet, 15-65 psi, Inline, Return Style, -10 AN Inlet and Outlet, -8 AN Return, Black Finish, Bracket, Each

Part Number: HLY-12-848

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Die-Cast EFI By-Pass, Adjustable, 15-60 psi, Return, Inline, 3/8 in.-NPT, 1/8 in.-NPT, Ports, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-882KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Die-Cast EFI By-Pass, Adjustable, 15-60 psi, Return Type, Inline, 3/8 in.-NPT Ports, 1/8 in.-NPT Gauge Ports, Aluminum, Each

Part Number: HLY-12-882

2.73 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

Fuel Pressure Regulators, Sniper, EFI, 40-130 psi, Bypass, Return Style, Inline, -6 AN Ends, Female Thread, Aluminum, Black, with Bracket, Each

Part Number: SNE-19-392

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, Return Style, -8 AN Inlet and Outlet, -6 AN Return, Black Finish, Bracket, Each

Part Number: HLY-12-845

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, HP Billet, Adjustable, 4-65 psi, Return Style, -6 AN Female O-ring, Manifold Fitting, Pressure Gauge, Bracket, Hardware, Kit

Part Number: HLY-12-880KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Bypass Regulator, Inline, 15-60 psi, -8 AN Inlet and Outlet, -6 AN Return, Black, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-846KIT

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Billet Aluminum, Black Anodized, Inline, Return, 59.5 psi, -6 AN Male Threads, Each

Part Number: HLY-12-893

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Boost Adjustable, 15-90 psi, Inline, -6AN Inlet, Outlets, Return Style, Aluminum, Black/Clear Anodized, Universal, Kit

Part Number: HLY-12-894KIT

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Sniper, EFI, 40-130 psi, Bypass, Return Style, Inline, -8 AN Ends, Female Thread, Aluminum, Black, with Bracket, Each

Part Number: SNE-19-395

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Filters, Aluminum, Pressure Regulator, Inline, Return, 59.5 psi, 10 Micron, Fuel Injection, 175 GPH, -8 AN Ports, Each

Part Number: HLY-12-876

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Filters, Die-cast Aluminum, Pressure Regulator, Inline, Return, 59.5 psi, 10 Micron, Fuel Injection, 110 GPH, -8 AN Ports, Each

Part Number: HLY-12-889

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Dominator Billet, 4.5 to 9 psi, Inline, Return Style, -10 AN Inlet and Outlet, -8 AN Return, Black Finish, Bracket, Each

Part Number: HLY-12-847

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, Return Style, 3/8 in. NPT, Inlet and Outlet, Idle Bleed, Black Finish, Bracket, Each

Part Number: HLY-12-842

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Boost Adjustable, 15-90 psi, Inline, -8AN Inlet, Outlets, Return Style, Aluminum, Black/Clear Anodized, Universal, Kit

Part Number: HLY-12-895KIT

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Fuel Pressure Regulators, Stock Replacement, Adjustable, 35-65 psi, Billet Aluminum, Clear Coat, Spring, Diaphragm, Chevy, Chevy, Pontiac, 5.0L, Each

Part Number: HLY-512-501

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

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