Holley Fuel Pressure Regulators

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-8%

Holley |

#42512887

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

(7)

Regulator Style:

Return

Material Type:

Aluminum

$84.35

/each

$91.95

-7%

Holley |

#42512879

Holley 12-879 Fuel Pressure Regulator 4-65 PSI 3/8 Inch NPT

(2)

Regulator Style:

Bypass Return Style

Material Type:

Billet Aluminum

$207.95

/each

$224.95

Holley |

#9109636

Holley 12-804 Adjustable Fuel Pressure Regulator w/0-15 PSI Gauge

(4)

Regulator Style:

Return

Material Type:

Aluminum

$122.71

/kit

-8%

Holley |

#42512841

Holley 12-841 HP Billet Carbureted By-Pass Fuel Pressure Regulator

(2)

Regulator Style:

Bypass

Material Type:

Aluminum

$167.95

/each

$182.95

-7%

Holley |

#42512886

Holley 12-886 Die Cast EFI 60 PSI By Pass Fuel Pressure Regulator

(3)

Regulator Style:

Return

Material Type:

Aluminum

$103.95

/each

$112.95

How to Install Fuel Pressure Regulators for Carburetors

Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style.

How to Install an LS1 Fuel Filter & Pressure Regulator

Learn how to install our new Deluxe LS Swap Fuel Filter/Regulator in five minutes for a cleaner look and fewer potential leak points!

Project Chevelle: Fuel System Tech Article

Now that Project Chevelle is making some real power, it's time to give it a little more fuel. Follow along as we install a new tank and pump from Tanks Inc.

6.0 LS Build Combinations: Recipes for 500-1,000 HP

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

Rebate

Holley |

#42712803

Holley 12-803 Fuel Pressure Regulator, 2-Port, 4.5-9 PSI

(18)

Regulator Style:

Non-return

Material Type:

Steel

$44.96

/each

$49.95

-7%

Holley |

#42512880

Holley 12-880 Adjustable Billet By-Pass Regulator, -6 AN

(2)

Regulator Style:

Bypass Return Style

Material Type:

Billet Aluminum

$207.95

/each

$224.95

Rebate

Holley |

#42712804

Holley 12-804 Adjustable Fuel Pressure Regulator, 1-4 PSI

(41)

Regulator Style:

Return

Material Type:

Aluminum

$44.96

/each

$49.95

-6%

Holley |

#42512875

Holley 12-875 EFI Filter Regulator, 3/8 Inch NPT, 175 GPH

(2)

Sold in Quantity:

Each

Material Type:

Aluminum

$249.95

/each

$267.95

-8%

Holley |

#42512803BP

Holley 12-803BP Carbureted Bypass Fuel Pressure Regulator

(3)

Regulator Style:

Bypass

Material Type:

Aluminum

$144.95

/each

$157.95

-11%

Holley |

#42512881

Holley 12-881 Die Cast Carbureted Fuel Pressure Regulators, 6 PSI

(4)

Regulator Style:

Return

Material Type:

Aluminum

$81.09

/each

$91.95

-10%

Holley |

#42512704

Holley 12-704 Big Port Adjustable Fuel Pressure Regulator, 4.5-9 PSI

(3)

Inlet Quantity:

Sold in Quantity:

Each

$157.45

/each

$174.95

-7%

Holley |

#42512882

Holley 12-882 Die Cast EFI Fuel Pressure Regulators, 60 PSI

(1)

Fuel Pressure Rating (psi):

0-60

GTIN Code:

090127741290

$103.95

/each

$112.95

Holley |

#9109653

Holley 12-803BP Carbureted Bypass Fuel Pressure Regulator w/Gauge

(2)

Fuel Type:

Gasoline

Sold in Quantity:

Kit

$169.99

/kit

-8%

Holley |

#42512840

Holley 12-840 HP Billet Carbureted Fuel Pressure Regulator, Adjustable

(3)

Fuel Type:

Gasoline

Material Type:

Aluminum

$158.95

/each

$172.95

-8%

Holley |

#42512842

Holley 12-842 HP Billet Carbureted By-Pass Fuel Pressure Regulator

(1)

Regulator Style:

Bypass

Material Type:

Aluminum

$199.95

/each

$218.95

-7%

Holley |

#42512846

Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable

Fuel Type:

Gasoline

Material Type:

Aluminum

$276.95

/each

$300.95

-7%

Holley |

#42512848

Holley 12-848 Dominator Billet EFI By-Pass Fuel Pressure Regulator

(4)

Fuel Type:

Gasoline

Material Type:

Aluminum

$289.95

/each

$313.95

Holley |

#9109626

Holley 12-841 HP Billet Fuel Press Regulator,Gauge/Chrome Fitting

(1)

Regulator Style:

Adjustable

Sold in Quantity:

Kit

$188.99

/kit

Holley |

#9109628

Holley 12-879 Fuel Press Regulator 4-65 PSI w/FiTech 80117 Gauge

Sold in Quantity:

Kit

Material Type:

Aluminum

$202.99

/kit

-7%

Holley |

#42512845

Holley 12-845 HP Billet Carbureted By-Pass Fuel Pressure Regulator

Regulator Style:

Bypass

Material Type:

Aluminum

$289.95

/each

$313.95

-9%

Holley |

#42512847

Holley 12-847 Dominator Billet Carbureted By-Pass Fuel Pressure Reg.

Regulator Style:

Bypass

Material Type:

Aluminum

$299.95

/each

$329.95

-7%

Holley |

#42512843

Holley 12-843 HP Billet Carbureted Fuel Pressure Regulator, Adjustable

Fuel Type:

Gasoline

Material Type:

Aluminum

$233.95

/each

$253.95

-7%

Holley |

#42512823

Holley 12-823 Regulator Rebuild Kit

GTIN Code:

090127681763

$46.57

/each

$50.38

-8%

Holley |

#42520120

Holley 20-120 Billet Regulator Bracket for 4150/4160 Carburetors

GTIN Code:

090127603994

$75.05

/each

$81.95

-8%

Holley |

#42512889

Holley 12-889 EFI Diecast Filter Regulator, -8 AN

Fuel Pressure Rating (psi):

59.5

GTIN Code:

090127006252

$193.95

/each

$210.95

-9%

Holley |

#42512892

Holley 12-892 Billet EFI Return Style Pressure Regulator 59.5 PSI

Regulator Style:

Return

Material Type:

Billet Aluminum

$249.95

/each

$274.95

-8%

Holley |

#42512827

Holley 12-827 Regulator Rebuild Kit

GTIN Code:

090127681800

$62.35

/each

$67.95

-7%

Holley |

#42512826

Holley 12-826 Regulator Rebuild Kit

GTIN Code:

090127681794

$59.89

/each

$64.95

-7%

Holley |

#42512824

Holley 12-824 Regulator Rebuild Kit

GTIN Code:

090127681770

$49.95

/each

$53.72

-8%

Holley |

#42512894

Holley 12-894 EFI Fuel Pressure Regulator, 15-90 PSI, 1:1, -6 AN

Regulator Style:

Return

Sold in Quantity:

Each

$249.95

/each

$273.95

-8%

Holley |

#425512515

Holley 512-515 Fuel Pressure Regulator, EFI, 1984-1987 Buick

Rebuildable:

Sold in Quantity:

Each

$78.15

/each

$84.95

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Holley Fuel Pressure Regulators

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Products

Holley 12-887 By Pass Style Carbureted Fuel Pressure Regulator

Holley 12-879 Fuel Pressure Regulator 4-65 PSI 3/8 Inch NPT

Holley 12-804 Adjustable Fuel Pressure Regulator w/0-15 PSI Gauge

Holley 12-841 HP Billet Carbureted By-Pass Fuel Pressure Regulator

Holley 12-886 Die Cast EFI 60 PSI By Pass Fuel Pressure Regulator

Related Articles

Holley 12-803 Fuel Pressure Regulator, 2-Port, 4.5-9 PSI

Holley 12-880 Adjustable Billet By-Pass Regulator, -6 AN

Holley 12-804 Adjustable Fuel Pressure Regulator, 1-4 PSI

Holley 12-875 EFI Filter Regulator, 3/8 Inch NPT, 175 GPH

Holley 12-803BP Carbureted Bypass Fuel Pressure Regulator

Holley 12-881 Die Cast Carbureted Fuel Pressure Regulators, 6 PSI

Holley 12-704 Big Port Adjustable Fuel Pressure Regulator, 4.5-9 PSI

Holley 12-882 Die Cast EFI Fuel Pressure Regulators, 60 PSI

Holley 12-803BP Carbureted Bypass Fuel Pressure Regulator w/Gauge

Holley 12-840 HP Billet Carbureted Fuel Pressure Regulator, Adjustable

Holley 12-842 HP Billet Carbureted By-Pass Fuel Pressure Regulator

Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable

Holley 12-848 Dominator Billet EFI By-Pass Fuel Pressure Regulator

Holley 12-841 HP Billet Fuel Press Regulator,Gauge/Chrome Fitting

Holley 12-879 Fuel Press Regulator 4-65 PSI w/FiTech 80117 Gauge

Holley 12-845 HP Billet Carbureted By-Pass Fuel Pressure Regulator

Holley 12-847 Dominator Billet Carbureted By-Pass Fuel Pressure Reg.

Holley 12-843 HP Billet Carbureted Fuel Pressure Regulator, Adjustable

Holley 12-823 Regulator Rebuild Kit

Holley 20-120 Billet Regulator Bracket for 4150/4160 Carburetors

Holley 12-889 EFI Diecast Filter Regulator, -8 AN

Holley 12-892 Billet EFI Return Style Pressure Regulator 59.5 PSI

Holley 12-827 Regulator Rebuild Kit

Holley 12-826 Regulator Rebuild Kit

Holley 12-824 Regulator Rebuild Kit

Holley 12-894 EFI Fuel Pressure Regulator, 15-90 PSI, 1:1, -6 AN

Holley 512-515 Fuel Pressure Regulator, EFI, 1984-1987 Buick

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