Holley Mercury Zephyr Engine Parts

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Mercury Zephyr

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-7%

Holley |

#425522488

Holley 522-488 High Impedance Fuel Injector, 48 lb/hr Injector Flow

Injector Plug Style:

EV1/Jetronic/Minitimer

GTIN Code:

090127666654

$675.95

/each

$731.95

$210 Off

Holley |

#425550603

Holley 550-603 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$2,849.95

/each

$3,059.95

$210 Off

Holley |

#425550628

Holley 550-628 Ford Coyote Ti-VCT Capable HP EFI Kit, Bosch O2

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$2,849.95

/each

$3,059.95

$125 Off

Holley |

#425550905T

Holley 550-905T Terminator X 58X/4X EV6 LS MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/kit

$1,574.95

$163 Off

Holley |

#425550934

Holley 550-934 Terminator X Max 24X/1X EV6 LS MPFI Kit, DBW

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,199.95

/kit

$2,362.95

Rebuilding a 4160 Holley Carburetor

Rebuilding a carburetor or renewing it is not as hard or intimidating as it looks. This article will guide you through the steps using a Holley rebuild kit.

Engine Cylinder Numbers

Historic Indy Engines

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

-5%

Holley |

#425550937

Holley 550-937 Terminator X Ford MPFI Kit

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,599.95

/kit

$1,687.95

$138 Off

Holley |

#425550945

Holley 550-945 Terminator X Max Ford MPFI Kit

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,999.95

/kit

$2,137.95

Holley |

#9109494

Holley 94 Power Valve Kit

(2)

Sold in Quantity:

Each

$11.99

/each

Holley |

#427371542

Holley 37-1542 4160 4 Barrel Carburetor Rebuild Fast Kit

(10)

GTIN Code:

090127437124

$55.95

/each

Holley |

#42737720

Holley 37-720 Renew 4 Barrel Carb Rebuild Kit, Model 4160, 390 CFM

(8)

GTIN Code:

090127059647

$48.53

/each

Holley |

#42520-240

Holley 20-240 SBC Mid-Mount Complete Accessory System, Natural

Hardware Included:

Yes

Sold in Quantity:

Kit

$2,149.95

/kit

Holley |

#42526680

Holley 26-68 Carburetor Main Jet Removal Tool

Material Type:

Steel

Sold in Quantity:

Each

$31.65

/each

-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

-7%

Holley |

#425522248

Holley 522-248 High Impedance Fuel Injector, 24 lb/hr Injector Flow

GTIN Code:

090127666616

$715.95

/each

$775.95

Holley |

#425534309

Holley 534-309 Terminator X Stealth 4150 Air Valve, Gold

Throttle Body Style:

Throttle Body Injection (TBI)

Sold in Quantity:

Each

$1,171.95

/kit

$150 Off

Holley |

#4255501003

Holley 550-1003 Terminator X Stealth 4150 EFI System 650 HP Gold

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,099.95

/each

$2,249.95

$244 Off

Holley |

#4255501074

Holley 550-1074 Terminator X Stealth 4150 2X4, 1500 HP, Shiny

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

1250

$3,299.95

/kit

$3,543.95

$144 Off

Holley |

#4255501223

Holley 550-1223 Terminator X, 2003-06 Gen III Hemi, EV6 Injectors

Ignition Type:

Gen III Hemi Coil-on-Plug

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$188 Off

Holley |

#4255501318

Holley 550-1318 Terminator X Max, Ford Modular 4V, EV1 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,399.95

/kit

$2,587.95

-7%

Holley |

#425558322

Holley 558-322 Ford Coyote Ti-VCT Coil Harness, 2015.5-17

GTIN Code:

090127047897

$259.95

/each

$281.95

$187 Off

Holley |

#425550604

Holley 550-604 HP EFI ECU & Harness Kit, Universal, Bosch O2

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Sold in Quantity:

Kit

$2,749.95

/each

$2,936.95

$294 Off

Holley |

#425550625N

Holley 550-625N 2013-2017 Ford Coyote Ti-VCT HP EFI Kit, NTK O2

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Throttle Style:

Cable Driven

$4,149.95

/kit

$4,443.95

$125 Off

Holley |

#425550909T

Holley 550-909T Terminator X 24X/1X EV1 LS MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/kit

$1,574.95

$157 Off

Holley |

#425550926T

Holley 550-926T Terminator X Max LS1 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$2,149.95

/each

$2,306.95

$138 Off

Holley |

#425550932

Holley 550-932 Terminator X Max 24X/1X EV6 LS MPFI Kit, DBW

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,999.95

/kit

$2,137.95

-7%

Holley |

#425554142

Holley 554-142 Injector Driver Module with Harness

Transmission Control:

Sold in Quantity:

Each

$659.95

/each

$714.95

-7%

Holley |

#4251204630

Holley 120-4630 4500 Drop Base Air Cleaner, Black, 3 Inch Filter

Overall Diameter:

16"

Filter Material:

Cotton Gauze

$259.95

/each

$281.95

-7%

Holley |

#4251217

Holley 121-7 Discharge nozzle screw, Hollow

GTIN Code:

090127619766

$20.90

/each

$22.61

-11%

Holley |

#4259776

Holley 0-9776 4160 Dual Quad 450 CFM 4 Barrel Carburetor

(7)

Carburetor Barrels:

4-Barrel

Fuel Type:

Gasoline

Choke Type:

No Choke

$599.95

/each

$674.95

Holley |

#4251084

Holley 108-4 Air Cleaner to Air Horn Gasket, 0.060 Inches Thick

(5)

GTIN Code:

090127015957

Inlet Diameter (Fraction):

5-1/8"

$10.78

/each

Holley |

#425120145B

Holley 120-145B Flat Base Air Cleaner, 10 Inch, Black

Overall Diameter:

10"

Filter Material:

Cotton Gauze

$64.35

/each

Holley |

#427347

Holley 34-7 Adjustable Needle and Seat Hardware Kit

(2)

GTIN Code:

090127055892

Sold in Quantity:

Each

$12.16

/each

Holley |

#9109639

Holley 37-119 4160 4BBL 600CFM Carb Rebuild Kit/Cleaning Brushes

Gasket(s) Included:

Yes

Fuel Type:

Gasoline

Sold in Quantity:

Kit

$118.99

/kit

$269 Off

Holley |

#4255501412

Holley 550-1412 Terminator X Max, 15.5-17 Coyote Ti-VCT, EV1, DBW

Ignition Type:

Ford Coyote

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$3,499.95

/kit

$3,768.95

$150 Off

Holley |

#4255501002

Holley 550-1002 Terminator X Stealth 4150 EFI System 650 HP Black

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,099.95

/each

$2,249.95

$235 Off

Holley |

#4255501070

Holley 550-1070 Terminator X Stealth 4500 EFI System 8 Inj, Shiny

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

1500

$3,049.95

/kit

$3,284.95

Showing 1 - 144 of 411 results

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Holley Mercury Zephyr Engine Parts

Year

Subcategory

Part

Brand

Product Line

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Holley 522-488 High Impedance Fuel Injector, 48 lb/hr Injector Flow

Holley 550-603 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2

Holley 550-628 Ford Coyote Ti-VCT Capable HP EFI Kit, Bosch O2

Holley 550-905T Terminator X 58X/4X EV6 LS MPFI Kit

Holley 550-934 Terminator X Max 24X/1X EV6 LS MPFI Kit, DBW

Related Articles

Holley 550-937 Terminator X Ford MPFI Kit

Holley 550-945 Terminator X Max Ford MPFI Kit

Holley 94 Power Valve Kit

Holley 37-1542 4160 4 Barrel Carburetor Rebuild Fast Kit

Holley 37-720 Renew 4 Barrel Carb Rebuild Kit, Model 4160, 390 CFM

Holley 20-240 SBC Mid-Mount Complete Accessory System, Natural

Holley 26-68 Carburetor Main Jet Removal Tool

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

Holley 522-248 High Impedance Fuel Injector, 24 lb/hr Injector Flow

Holley 534-309 Terminator X Stealth 4150 Air Valve, Gold

Holley 550-1003 Terminator X Stealth 4150 EFI System 650 HP Gold

Holley 550-1074 Terminator X Stealth 4150 2X4, 1500 HP, Shiny

Holley 550-1223 Terminator X, 2003-06 Gen III Hemi, EV6 Injectors

Holley 550-1318 Terminator X Max, Ford Modular 4V, EV1 Injectors

Holley 558-322 Ford Coyote Ti-VCT Coil Harness, 2015.5-17

Holley 550-604 HP EFI ECU & Harness Kit, Universal, Bosch O2

Holley 550-625N 2013-2017 Ford Coyote Ti-VCT HP EFI Kit, NTK O2

Holley 550-909T Terminator X 24X/1X EV1 LS MPFI Kit

Holley 550-926T Terminator X Max LS1 MPFI Kit

Holley 550-932 Terminator X Max 24X/1X EV6 LS MPFI Kit, DBW

Holley 554-142 Injector Driver Module with Harness

Holley 120-4630 4500 Drop Base Air Cleaner, Black, 3 Inch Filter

Holley 121-7 Discharge nozzle screw, Hollow

Holley 0-9776 4160 Dual Quad 450 CFM 4 Barrel Carburetor

Holley 108-4 Air Cleaner to Air Horn Gasket, 0.060 Inches Thick

Holley 120-145B Flat Base Air Cleaner, 10 Inch, Black

Holley 34-7 Adjustable Needle and Seat Hardware Kit

Holley 37-119 4160 4BBL 600CFM Carb Rebuild Kit/Cleaning Brushes

Holley 550-1412 Terminator X Max, 15.5-17 Coyote Ti-VCT, EV1, DBW

Holley 550-1002 Terminator X Stealth 4150 EFI System 650 HP Black

Holley 550-1070 Terminator X Stealth 4500 EFI System 8 Inj, Shiny