Holley Performance Carbs & More

Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built...

Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built in the USA and 100-percent flow tested for no-hassle, out-of-the-box performance. Holley fuel pumps, fuel injectors, throttle bodies, and EFI system are manufactured using that same proven quality control. Bring a renowned Holley carburetor, fuel pump, or any other high-quality air and fuel system part to your street machine, competition vehicle, boat, or daily driver. Shop Holley at Summit Racing now!

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Holley Analog Fuel Pressure Gauges 26-507

Gauges, EFI Fuel Pressure, Analog, Oil Filled, 1.50 in. Diameter, 0-100 psi, Round, Silver Bezel, White Face, Black numbers. 1/8 in. NPT,

Part Number: HLY-26-507

4.73 out of 5 stars ( 15 )

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Holley Bypass Fuel Pressure Regulator Kits 12-886KIT

Fuel Pressure Regulators, Bypass Regulator Kit, Return, 15-60 psi, EFI, Includes Fittings, Gauge, Mounting Bracket, Kit

Part Number: HLY-12-886KIT

3.19 out of 5 stars ( 16 )

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Holley Analog Fuel Pressure Gauges 26-500

Gauge, Fuel Pressure, 0-15 psi, 1 1/2 in. Diameter, Analog, 1/8 in. npt, Full Sweep, Mechanical, White Face, Each

Part Number: HLY-26-500

3.81 out of 5 stars ( 52 )

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Holley HP Billet Fuel Pressure Regulators 12-841

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

4.02 out of 5 stars ( 42 )

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Holley HP Billet Fuel Pressure Regulators 12-840

Fuel Pressure Regulators, HP Billet, 4.5 to 9 psi, Inline, No Return, 3/8 in. NPT, Inlet and Outlet, Black, Clear Anodized, Mounting Bracket. Each

Part Number: HLY-12-840

3.94 out of 5 stars ( 50 )

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Holley Analog Fuel Pressure Gauges 26-504

Gauge, Fuel Pressure, 0-15 psi, 1 1/2 in. Diameter, Analog, Full Sweep, Liquid-filled, for Mechanical Sending Unit, White Face, Each

Part Number: HLY-26-504

1.0 out of 5 stars ( 2 )

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Holley Billet EFI Return-Style Fuel Pressure Regulators 12-879KIT

Fuel Pressure Regulators, HP Billet, Adjustable, 4-65 psi, Return Style, 3/8 in.-NPT, Manifold Fitting, Pressure Gauge, Bracket, Hardware, Kit

Part Number: HLY-12-879KIT

Not Yet Reviewed

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Holley Bypass Fuel Pressure Regulator Kits 12-880KIT

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 )

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Holley Analog Fuel Pressure Gauges 26-506

Gauge, Fuel Pressure, 0-160 psi, 2 in. Diameter, Analog, Full Sweep, Illuminated, Liquid-filled, for Mechanical Sending Unit, White Face, Each

Part Number: HLY-26-506

3.5 out of 5 stars ( 6 )

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Holley HP Billet Fuel Pressure Regulators 12-846

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 )

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Holley Bypass Fuel Pressure Regulator Kits 12-882KIT

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 ( 2 )

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Holley Analog Fuel Pressure Gauges 26-503

Gauge, Fuel Pressure, 0-15 psi, 2 1/16 in. Diameter, Analog, 90-degree Sweep, with Electrical Sending Unit, Black Face, Each

Part Number: HLY-26-503

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Holley HP Billet Fuel Pressure Regulators 12-880

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

2.45 out of 5 stars ( 20 )

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Holley Sniper EFI 2300 Two-Barrel Fuel Injection Systems 550-849K

Fuel Injection Systems, Sniper EFI, 2300, Throttle Body, Polished, 2300 Flange, Injectors, Fuel Pump, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-849K

4.04 out of 5 stars ( 28 )

Estimated Ship Date: Today

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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

4.22 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Holley Fuel Pressure Gauge Fittings 26-69

Fuel Pressure Gauge Fitting, Brass, 90 Degree Elbow, 1/8 in. NPT Male, 1/8 in. NPT Female, Each

Part Number: HLY-26-69

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Holley Sniper EFI Fuel Regulators 19-392

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 )

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Holley Analog Fuel Pressure Gauges 26-502

Gauge, Fuel Pressure, 0-30 psi, 1 1/2 in. Diameter, Analog, Full Sweep, for Mechanical Sending Unit, White Face, Each

Part Number: HLY-26-502

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Holley Bypass Fuel Pressure Regulator Kits 12-846KIT

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

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Holley Dominator Billet Fuel Pressure Regulators 12-848

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: Today

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Holley HP Billet Fuel Pressure Regulators 12-879

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

3.86 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Holley Sniper EFI 2300 Two-Barrel Fuel Injection Systems 550-849

Fuel Injection Systems, Sniper EFI, 2300, Throttle Body, Polished, 2300 Flange, Fuel Injectors, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-849

4.07 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Holley Sniper EFI Autolite 1100 Fuel Injection Systems 550-552

Fuel Injection Systems, Sniper EFI, Autolite 1100, Throttle Body, Gold, 1100 Flange, Injectors, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-552

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Holley Bypass Fuel Pressure Regulator Kits 12-840KIT

Fuel Pressure Regulators, Bypass Regulator, Inline, 4.5-9 psi, No Return, 3/8 in. Inlet and Outlet, Black Finish, Fittings, Gauge, Bracket, Kit

Part Number: HLY-12-840KIT

Not Yet Reviewed

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Holley Sniper EFI 2300 Two-Barrel Fuel Injection Systems for 1971 HORNET - 550-850K

Fuel Injection Systems, Sniper EFI, 2300, Throttle Body, Black, 2300 Flange, Injectors, Fuel Pump, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-850K

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

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