Mercury Hot Rod Engine Control Modules

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Mercury

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$282 Off

Holley |

#425550659

Holley 550-659 Dominator EFI Kit, LS2 Main Harness, GM, EV1

Data Acquisition Replacement Component Type:

Dominator ECU - ECM - VCM

Sold in Quantity:

Kit

$3,599.95

/kit

$3,881.95

$138 Off

Holley |

#425550917

Holley 550-917 Terminator X Max Early Truck Engine MPFI Kit

(3)

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

Touchscreen Handheld

$1,999.95

/each

$2,137.95

-5%

Holley |

#425550905

Holley 550-905 Terminator X LS2/LS3 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,599.95

/each

$1,687.95

-5%

Holley |

#425550904

Holley 550-904 Terminator X Early Truck LS MPFI Kit

(3)

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

Touchscreen Handheld

$1,599.95

/each

$1,687.95

FiTech |

#521300031

FiTech 30003-1 Replacement ECU for Fitech 30003 Go Street EFI

(1)

$271.00

/each

Choosing an Electronic Fuel Injection Retrofit for Your Street Rod or Muscle Car

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Model A Coupe Hot Rod

From the Model A coupe body to the dropped axle and chrome OEM wheels. This car project is a basic, but cool traditional hot rod. Comparable to the American Graffiti coupe. Read more on how to start planning your hot rod car build.

New Hubs for a Traditional-Style Hot Rod

Tim talks about the process of upgrading the factory hubs on his 1929 Roadster project with new manufacture units courtesy of Speedway Motors.

Ford And Chevy Spindle Options For Solid Axle Hot Rods

Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod.

The Best Wiring Solution for Your Hot Rod or Muscle Car Project

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

Modifying Axles to Lower a Hot Rod

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

Hot Rod Horns and Whistles

If you're going to buy a horn isn't it nice to know what it sounds like first? That's why Speedway produced a helpful video to hear the differences in the unique horns that we offer.

How to Air Condition Your Hot Rod - AC Parts List

Learn about the functionality of key parts in a hot rod air conditioning system for install or diagnosing issues. We cover the condenser, compressor and more.

Complete Guide to Cowl Steering Box Conversion for Hot Rods

Cowl steering is a racecar-inspired steering configuration for your hot rod that can solve a lot of problems. Here's how to do it.

Speedway Tech Talk - Hot Rod Aluminum Radiators

Tim talks about a few aluminum radiators we have to offer.

$125 Off

Holley |

#425550904T

Holley 550-904T Terminator X Early Truck Engine MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/each

$1,574.95

-5%

Holley |

#425550903

Holley 550-903 Terminator X LS1/LS6 MPFI Kit

(2)

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,599.95

/each

$1,687.95

$138 Off

Holley |

#425550918

Holley 550-918 Terminator X Max LS2/LS3 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,999.95

/each

$2,137.95

$138 Off

Holley |

#425550919

Holley 550-919 Terminator X Max 24X/1X EV6 LS MPFI Trans Control

(1)

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,999.95

/kit

$2,137.95

$138 Off

Holley |

#425550916

Holley 550-916 Terminator X Max LS1/LS6 MPFI Kit

(3)

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,999.95

/each

$2,137.95

FiTech |

#521700501

FiTech 70050-1 Fuel Injection Engine Management System, LS ECU

Sold in Quantity:

Each

Drive-By-Wire Capable:

$567.00

/each

$275 Off

Holley |

#4255501631

Holley 550-1631 Terminator X Max Late LT, Trans Control DBW

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$3,549.95

/kit

$3,824.95

$163 Off

Holley |

#425550928

Holley 550-928 Terminator X Max LS2/LS3 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,199.95

/each

$2,362.95

-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

$200 Off

Holley |

#425554114

Holley 554-114 Dominator EFI ECU

Ignition Type:

Universal

GTIN Code:

090127665794

Sold in Quantity:

Each

$2,499.95

/each

$2,699.95

-5%

Holley |

#425550936

Holley 550-936 Terminator X Universal MPFI Kit

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,599.95

/kit

$1,687.95

BluePrint BPPLS530 LS Engine Controller Kit

BluePrint Engines |

#227BPPLS530

BluePrint BPPLS530 LS Engine Controller Kit

Transmission Control:

Sold in Quantity:

Each

$2,299.00

/kit

$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

$188 Off

Holley |

#4255501317

Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors

Ignition Type:

Ford 2V Mod Stock Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,399.95

/kit

$2,587.95

Holley |

#9109669

Holley 550-903 Terminator X LS1/LS6 MPFI Kit w/Pigtail/CAN Cable

Tuner Style:

Touchscreen Handheld

Sold in Quantity:

Kit

$1,713.73

/kit

Edelbrock |

#32535711

Edelbrock 35711 Pro-Flo 4 ECU/Harness For Gen III 28X LS Engines

GTIN Code:

085347357116

Sold in Quantity:

Kit

$1,222.95

/each

-5%

Holley |

#425550909

Holley 550-909 Terminator X 24X/1X EV6 LS1/LS6 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,599.95

/kit

$1,687.95

$163 Off

Holley |

#425550927

Holley 550-927 Terminator X Max Early Truck Engine MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

Touchscreen Handheld

$2,199.95

/each

$2,362.95

$138 Off

Holley |

#425550942

Holley 550-942 Terminator X Max Universal MPFI Kit

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,999.95

/kit

$2,137.95

$138 Off

Holley |

#425550931

Holley 550-931 Terminator X Max LS2/LS3 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,999.95

/each

$2,137.95

$210 Off

Holley |

#425550607

Holley 550-607 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$2,849.95

/each

$3,059.95

$187 Off

Holley |

#4255501601

Holley 550-1601 Terminator X GM Gen V Late LT Kit

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$2,749.95

/kit

$2,936.95

$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

$138 Off

Holley |

#425550929

Holley 550-929 Terminator X Max LS1/LS6 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,999.95

/each

$2,137.95

$144 Off

Holley |

#4255501218

Holley 550-1218 Terminator X, Ford Modular 4V, EV1 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

FiTech |

#521383015

FiTech 38301-5 Ultra Ram External ECU, Engine Management System

GTIN Code:

812061032056

$308.00

/each

$210 Off

Holley |

#425550602

Holley 550-602 HP EFI ECU & Harness Kit, LS1/LS6, Bosch O2

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$2,849.95

/each

$3,059.95

$138 Off

Holley |

#425550920

Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,999.95

/kit

$2,137.95

$187 Off

Holley |

#425550601

Holley 550-601 HP EFI ECU & Harness Kit, GM TPI, Bosch O2

Ignition Type:

Universal

Injector Connector:

GM TPI

Sold in Quantity:

Kit

$2,749.95

/each

$2,936.95

$125 Off

Holley |

#425550903T

Holley 550-903T Terminator X LS1 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/each

$1,574.95

$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

Showing 1 - 36 of 124 results

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Mercury Hot Rod Engine Control Modules

Ignition Type

Brand

Transmission Family

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Holley 550-659 Dominator EFI Kit, LS2 Main Harness, GM, EV1

Holley 550-917 Terminator X Max Early Truck Engine MPFI Kit

Holley 550-905 Terminator X LS2/LS3 MPFI Kit

Holley 550-904 Terminator X Early Truck LS MPFI Kit

FiTech 30003-1 Replacement ECU for Fitech 30003 Go Street EFI

Related Articles

Holley 550-904T Terminator X Early Truck Engine MPFI Kit

Holley 550-903 Terminator X LS1/LS6 MPFI Kit

Holley 550-918 Terminator X Max LS2/LS3 MPFI Kit

Holley 550-919 Terminator X Max 24X/1X EV6 LS MPFI Trans Control

Holley 550-916 Terminator X Max LS1/LS6 MPFI Kit

FiTech 70050-1 Fuel Injection Engine Management System, LS ECU

Holley 550-1631 Terminator X Max Late LT, Trans Control DBW

Holley 550-928 Terminator X Max LS2/LS3 MPFI Kit

Holley 550-937 Terminator X Ford MPFI Kit

Holley 554-114 Dominator EFI ECU

Holley 550-936 Terminator X Universal MPFI Kit

BluePrint BPPLS530 LS Engine Controller Kit

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

Holley 550-1317 Terminator X Max, Ford Modular 2V, EV6 Injectors

Holley 550-903 Terminator X LS1/LS6 MPFI Kit w/Pigtail/CAN Cable

Edelbrock 35711 Pro-Flo 4 ECU/Harness For Gen III 28X LS Engines

Holley 550-909 Terminator X 24X/1X EV6 LS1/LS6 MPFI Kit

Holley 550-927 Terminator X Max Early Truck Engine MPFI Kit

Holley 550-942 Terminator X Max Universal MPFI Kit

Holley 550-931 Terminator X Max LS2/LS3 MPFI Kit

Holley 550-607 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2

Holley 550-1601 Terminator X GM Gen V Late LT Kit

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

Holley 550-929 Terminator X Max LS1/LS6 MPFI Kit

Holley 550-1218 Terminator X, Ford Modular 4V, EV1 Injectors

FiTech 38301-5 Ultra Ram External ECU, Engine Management System

Holley 550-602 HP EFI ECU & Harness Kit, LS1/LS6, Bosch O2

Holley 550-920 Terminator X Max 58X/4X EV1 LS MPFI Kit

Holley 550-601 HP EFI ECU & Harness Kit, GM TPI, Bosch O2

Holley 550-903T Terminator X LS1 MPFI Kit

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

Popular Makes and Parts