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Boost/Vacuum Reference Port
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- No (88)
Boost/Vacuum Rise Ratio
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654 Results Found For "vacuum"

Individual Parts

Part Groups

Results 201 - 225 of 654

Holley Carburetor Bypass Style Fuel Pressure Regulators 12-881

Holley Carburetor Bypass Style Fuel Pressure Regulators 12-881

Holley Carburetor Bypass Style Fuel Pressure Regulators 12-881

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 ( 60 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive Ford Fuel Pressure Regulators for 1986-1995 MUSTANG - 13103

Aeromotive Ford Fuel Pressure Regulators for 1986-1995 MUSTANG - 13103

Aeromotive Ford Fuel Pressure Regulators for 1986-1995 MUSTANG - 13103

Fuel Pressure Regulator, 30-70 psi, Red and Black Anodized, Ford, Each

Part Number: AEI-13103

4.16 out of 5 stars ( 32 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive Compact EFI Fuel Regulators 13136

Aeromotive Compact EFI Fuel Regulators 13136

Aeromotive Compact EFI Fuel Regulators 13136

Fuel Pressure Regulator, 40-75 psi, Black Anodized, Universal, Each

Part Number: AEI-13136

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive Universal Bypass Regulators 13301

Aeromotive Universal Bypass Regulators 13301

Aeromotive Universal Bypass Regulators 13301

Fuel Pressure Regulator, 3-65 psi, Red and Black Anodized, Universal, Each

Part Number: AEI-13301

4.69 out of 5 stars ( 88 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive A1000 Carbureted Bypass Fuel Pressure Regulators 13204

Aeromotive A1000 Carbureted Bypass Fuel Pressure Regulators 13204

Aeromotive A1000 Carbureted Bypass Fuel Pressure Regulators 13204

Fuel Pressure Regulator, 3-15 psi, Red and Black, Universal, Each

Part Number: AEI-13204

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Summit Racing™ 4-Port Fuel Pressure Regulators SUM-220058

Summit Racing™ 4-Port Fuel Pressure Regulators SUM-220058

Summit Racing™ 4-Port Fuel Pressure Regulators SUM-220058

Fuel Pressure Regulator, 4-Port, 1.5-25 psi, Return Style, Inline, Billet Aluminum, Black Anodized, Each

Part Number: SUM-220058

4.5 out of 5 stars ( 22 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Holley Carburetor Bypass Style Fuel Pressure Regulators 12-887

Holley Carburetor Bypass Style Fuel Pressure Regulators 12-887

Holley Carburetor Bypass Style Fuel Pressure Regulators 12-887

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

4.08 out of 5 stars ( 84 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

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

4.18 out of 5 stars ( 22 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Weldon A2040 Series Bypass Regulators A2040-281-A-120

Weldon A2040 Series Bypass Regulators A2040-281-A-120

Weldon A2040 Series Bypass Regulators A2040-281-A-120

Fuel Pressure Regulator, A2040 Series, Return, Inline, -10 AN, -8 AN, Female Threads, Billet Aluminum, Black/Silver, Each

Part Number: WDN-A2040281A120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive X1 Series Fuel Pressure Regulators 13305

Aeromotive X1 Series Fuel Pressure Regulators 13305

Aeromotive X1 Series Fuel Pressure Regulators 13305

Fuel Pressure Bypass Regulator, X1 Series, 0.313 in. Seat, 35-75 psi, Black Anodized, Universal, Each

Part Number: AEI-13305

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Radium Engineering Direct Mount Fuel Pressure Regulators 20-1623-00

Radium Engineering Direct Mount Fuel Pressure Regulators 20-1623-00

Radium Engineering Direct Mount Fuel Pressure Regulators 20-1623-00

Fuel Pressure Regulator, Return, Adjustable, Inline, Universal, -6 AN ORB Inlet, -6 AN ORB Outlet, 1/8 in. Gauge Port, Aluminum, Black, Each

Part Number: RDM-20-1623-00

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

MagnaFuel EFI Fuel Pressure Control Units MP-9950-B-BLK

MagnaFuel EFI Fuel Pressure Control Units MP-9950-B-BLK

MagnaFuel EFI Fuel Pressure Control Units MP-9950-B-BLK

Fuel Pressure Regulator, EFI, Boost Reference, Return Style, Black, 35-85 psi, Inline, Each

Part Number: MRF-MP9950B-BLK

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Weldon A2047 Series Bypass Regulators A2047-438-T-120

Weldon A2047 Series Bypass Regulators A2047-438-T-120

Weldon A2047 Series Bypass Regulators A2047-438-T-120

Fuel Pressure Regulator, A2047 Series, Return, Inline, -12 AN, Female Threads, Billet Aluminum, Black/Silver, Each

Part Number: WDN-A2047438T120

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

DeatschWerks Fuel Pressure Regulators 6-1002-FRB-66

DeatschWerks Fuel Pressure Regulators 6-1002-FRB-66

DeatschWerks Fuel Pressure Regulators 6-1002-FRB-66

Fuel Pressure Regulator, Return, 30-120 psi, Aluminum, Black Anodized, -6 AN O-ring Female Inlet/Outlet, -6 AN O-ring Female Return, Each

Part Number: DWK-61002FRB66

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive A2000 Carbureted Bypass Regulators 13212

Aeromotive A2000 Carbureted Bypass Regulators 13212

Aeromotive A2000 Carbureted Bypass Regulators 13212

Fuel Pressure Regulator, Black Anodized, 2-Port Adjustable, 3-20 psi., -10 AN, Bypass, Gas/Alcy, Universal

Part Number: AEI-13212

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive A1000-6 Injected Bypass Regulators 13109

Aeromotive A1000-6 Injected Bypass Regulators 13109

Aeromotive A1000-6 Injected Bypass Regulators 13109

Fuel Pressure Regulator, 40-75 psi, Clear and Red Anodized, Universal, Each

Part Number: AEI-13109

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive A1000 Gen-II EFI Fuel Pressure Regulators 13138

Aeromotive A1000 Gen-II EFI Fuel Pressure Regulators 13138

Aeromotive A1000 Gen-II EFI Fuel Pressure Regulators 13138

Fuel Pressure Regulator, A1000 EFI, 40-75 psi, Return Style, Inline, Aluminum, Black Anodized, Each

Part Number: AEI-13138

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive A1000 Injected Bypass Fuel Pressure Regulators 13101

Aeromotive A1000 Injected Bypass Fuel Pressure Regulators 13101

Aeromotive A1000 Injected Bypass Fuel Pressure Regulators 13101

Fuel Pressure Regulator, 40-75 psi, Red and Black Anodized, Universal, Each

Part Number: AEI-13101

4.54 out of 5 stars ( 13 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Aeromotive X1 Series Fuel Pressure Regulators 13303

Aeromotive X1 Series Fuel Pressure Regulators 13303

Aeromotive X1 Series Fuel Pressure Regulators 13303

Fuel Pressure Bypass Regulator, X1 Series, 0.188 in. Red Seat, 35-75 psi, Black Anodized, Universal, Each

Part Number: AEI-13303

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Friday 1/2/2026

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Holley HP Billet Fuel Pressure Regulators 12-880

Holley HP Billet Fuel Pressure Regulators 12-880

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 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Holley HP Billet Fuel Pressure Regulators 12-846

Holley HP Billet Fuel Pressure Regulators 12-846

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 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Holley HP Billet Fuel Pressure Regulators 12-879

Holley HP Billet Fuel Pressure Regulators 12-879

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

3.95 out of 5 stars ( 20 )

Estimated Ship Date: Friday 1/2/2026

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Holley Sniper EFI Fuel Regulators 19-392

Holley Sniper EFI Fuel Regulators 19-392

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 )

Estimated Ship Date: Friday 1/2/2026

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DeatschWerks Fuel Pressure Regulators 6-1002-FRB-86

DeatschWerks Fuel Pressure Regulators 6-1002-FRB-86

DeatschWerks Fuel Pressure Regulators 6-1002-FRB-86

Fuel Pressure Regulator, Return, 30-120 psi, Aluminum, Black Anodized, -8 AN O-ring Female Inlet/Outlet, -6 AN O-ring Female Return, Each

Part Number: DWK-61002FRB86

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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DeatschWerks Fuel Pressure Regulators 6-1002-FRB

DeatschWerks Fuel Pressure Regulators 6-1002-FRB

DeatschWerks Fuel Pressure Regulators 6-1002-FRB

Fuel Pressure Regulators, Return, 30-100 psi, Aluminum, Black Anodized, Two -6 AN O-ring Female Inlet/Outlet, One -6 AN O-ring Female Return, Each

Part Number: DWK-6-1002-FRB

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Related Articles

What is a return style fuel pressure regulator?

A return-style fuel pressure regulator controls fuel pressure by allowing excess fuel to return to the tank, ensuring a steady supply to your engine. This article explains how these regulators work, their benefits, and when you might need one for your setup.

What fuel pressure should I run with my new carb?

Setting the correct fuel pressure for your carburetor is key to ensuring your engine runs smoothly and avoids flooding or fuel starvation. This guide explains the ideal fuel pressure settings based on carburetor type and application, helping you dial in the perfect setup for your ride.

What is a non-return style fuel pressure regulator?

A non-return style fuel pressure regulator maintains consistent fuel pressure without sending excess fuel back to the tank. This guide explains how these regulators work, their advantages, and how they fit into different fuel systems for optimized performance.

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