Shelby Engine Control Modules

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$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

$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

$132 Off

Holley |

#425550916T

Holley 550-916T Terminator X Max LS1 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

$132 Off

Holley |

#425550918T

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

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

$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

Understanding Shelby/Arning Drop Changes

Darrian explains the process of Shelby/Arning drop changes and how that affects your car.

Transmission Interchange List Chevy, Ford, Mopar V8 Compatibility

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Tubular Control Arms on an S-10

In this Tech Tip, John responds to a customer question about tubular control arms.

Project Chevelle: Spindles and Control Arms Tech Article

Project Chevelle undergoes front suspension upgrades to minimize feeling every dip and bump in the road. Josh S. walks through the install and quick overview of the tubular control arms and G comp spindles.

Gen III/IV LS Engine ID Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Historic Chevy Performance Engines

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Small Block and Big Block Chevy Engine Flexplate Guide

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

LS Swap Chevelle Guide

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

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.

$132 Off

Holley |

#425550930T

Holley 550-930T Terminator X Max Early Truck Engine MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

$132 Off

Holley |

#425550931T

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

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/each

$2,081.95

$229 Off

Holley |

#425550601N

Holley EFI 550-601N HP EFI ECU And Harness Kits

Ignition Type:

Universal

Injector Connector:

GM TPI

Sold in Quantity:

Kit

$2,999.95

/each

$3,228.95

$242 Off

Holley |

#425550602N

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

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$3,099.95

/each

$3,341.95

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

-6%

Holley |

#4255581270

Holley 558-127 EFI Benchtop Harness, Firmware, Dash, ECU Testing

GTIN Code:

090127136768

Sold in Quantity:

Each

$249.95

/kit

$266.95

Edelbrock |

#32535712

Edelbrock 35712 Pro-Flo 4 ECU/Harness For Gen IV 58X LS Engines

GTIN Code:

00085347357123

Sold in Quantity:

Each

$1,210.95

/each

$269 Off

Holley |

#425550655

Holley 550-655 Dominator EFI Kit, COP Main Harness, Ford, EV1

Data Acquisition Replacement Component Type:

Dominator ECU - ECM - VCM

Sold in Quantity:

Kit

$3,499.95

/kit

$3,768.95

FAST 303000 XFI Sportsman EFI Multi-Port Engine Control System

FAST Fuel Air Spark Technology |

#282303000

FAST 303000 XFI Sportsman EFI Multi-Port Engine Control System

Ignition Type:

Universal

Tuner Style:

USB/CAN Tuning Cable

Sold in Quantity:

Kit

$1,990.95

/each

FiTech |

#521383015

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

GTIN Code:

812061032056

$308.00

/each

FiTech |

#521700501

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

Sold in Quantity:

Each

Drive-By-Wire Capable:

$567.00

/each

FiTech |

#521300031

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

(1)

$271.00

/each

Holley |

#9109669

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

Tuner Style:

Touchscreen Handheld

Sold in Quantity:

Kit

$1,472.73

/kit

$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

$187 Off

Holley |

#425550605

Holley 550-605 HP EFI ECU & Harness Kit, Universal, Unterminated

Ignition Type:

Universal

GTIN Code:

090127666951

Sold in Quantity:

Kit

$2,749.95

/each

$2,936.95

$187 Off

Holley |

#425550606

Holley EFI 550-606 HP EFI ECU And Harness Kits

Ignition Type:

Ford TFI

Injector Connector:

Jetronic / Minitimer (EV1)

Sold in Quantity:

Kit

$2,749.95

/each

$2,936.95

$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

$269 Off

Holley |

#425550619

Holley 550-619 2011-2012 Ford Coyote Ti-VCT HP EFI Kit, Bosch O2

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Throttle Style:

Cable Driven

$3,499.95

/each

$3,768.95

$248 Off

Holley |

#4255501213

Holley 550-1213 Terminator X, 2013-2015 Ford Coyote Ti-VCT, EV6

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$3,149.95

/kit

$3,397.95

$248 Off

Holley |

#4255501215

Holley 550-1215 Terminator X, 2015.5-17 Ford Coyote Ti-VCT, EV6

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$3,149.95

/kit

$3,397.95

$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

$144 Off

Holley |

#4255501219

Holley 550-1219 Terminator X, Ford Modular 4V, EV6 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$144 Off

Holley |

#4255501220

Holley 550-1220 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV1

Ignition Type:

Holley Smart Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$144 Off

Holley |

#4255501221

Holley 550-1221 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV6

Ignition Type:

Holley Smart Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$144 Off

Holley |

#4255501225

Holley 550-1225 Terminator X, 2007-13 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

$269 Off

Holley |

#4255501312

Holley 550-1312 Terminator X Max, 13-15 Coyote Ti-VCT, EV1, 4R70W

Ignition Type:

Ford Coyote

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$3,499.95

/kit

$3,768.95

$269 Off

Holley |

#4255501315

Holley 550-1315 Terminator X Max, 15.5-17 Coyote Ti-VCT EV6 4R70W

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$3,499.95

/kit

$3,768.95

$188 Off

Holley |

#4255501316

Holley 550-1316 Terminator X Max, Ford Modular 2V, EV1 Injectors

Ignition Type:

Ford 2V Mod Stock Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,399.95

/kit

$2,587.95

$188 Off

Holley |

#4255501319

Holley 550-1319 Terminator X Max, Ford Modular 4V, EV6 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,399.95

/kit

$2,587.95

$269 Off

Holley |

#4255501411

Holley 550-1411 Terminator X Max, 13-15 Coyote Ti-VCT, EV6, DBW

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$3,499.95

/kit

$3,768.95

$188 Off

Holley |

#4255501420

Holley 550-1420 Terminator X Max, 2003-06 Gen III Hemi, EV1

Ignition Type:

Gen III Hemi Coil-on-Plug

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,399.95

/kit

$2,587.95

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Shelby Engine Control Modules

Ignition Type

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Availability

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Products

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

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

Holley 550-916T Terminator X Max LS1 MPFI Kit

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

Holley 550-926T Terminator X Max LS1 MPFI Kit

Related Articles

Holley 550-930T Terminator X Max Early Truck Engine MPFI Kit

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

Holley EFI 550-601N HP EFI ECU And Harness Kits

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

BluePrint BPPLS530 LS Engine Controller Kit

Holley 558-127 EFI Benchtop Harness, Firmware, Dash, ECU Testing

Edelbrock 35712 Pro-Flo 4 ECU/Harness For Gen IV 58X LS Engines

Holley 550-655 Dominator EFI Kit, COP Main Harness, Ford, EV1

FAST 303000 XFI Sportsman EFI Multi-Port Engine Control System

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

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

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

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

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

Holley 550-605 HP EFI ECU & Harness Kit, Universal, Unterminated

Holley EFI 550-606 HP EFI ECU And Harness Kits

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

Holley 550-619 2011-2012 Ford Coyote Ti-VCT HP EFI Kit, Bosch O2

Holley 550-1213 Terminator X, 2013-2015 Ford Coyote Ti-VCT, EV6

Holley 550-1215 Terminator X, 2015.5-17 Ford Coyote Ti-VCT, EV6

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

Holley 550-1219 Terminator X, Ford Modular 4V, EV6 Injectors

Holley 550-1220 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV1

Holley 550-1221 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV6

Holley 550-1225 Terminator X, 2007-13 Gen III Hemi, EV6 Injectors

Holley 550-1312 Terminator X Max, 13-15 Coyote Ti-VCT, EV1, 4R70W

Holley 550-1315 Terminator X Max, 15.5-17 Coyote Ti-VCT EV6 4R70W

Holley 550-1316 Terminator X Max, Ford Modular 2V, EV1 Injectors

Holley 550-1319 Terminator X Max, Ford Modular 4V, EV6 Injectors

Holley 550-1411 Terminator X Max, 13-15 Coyote Ti-VCT, EV6, DBW

Holley 550-1420 Terminator X Max, 2003-06 Gen III Hemi, EV1

Popular Parts and Makes