Holley Cadillac Engine Control Modules

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$269 Off

Holley |

#4255501510

Holley 550-1510 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

$269 Off

Holley |

#4255501512

Holley 550-1512 Terminator X Max, 15.5-17 Coyote Ti-VCT, EV6, DBW

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$3,499.95

/kit

$3,768.95

$187 Off

Holley |

#4255501600

Holley 550-1600 Terminator X GM Gen V Early LT Kit

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$2,749.95

/kit

$2,936.95

$244 Off

Holley |

#4255501620LSD

Holley 550-1620LSD Terminator X Max GM Early LT, Drive-by-Wire

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$3,299.95

/kit

$3,543.95

$275 Off

Holley |

#4255501630LSD

Holley 550-1630LSD Terminator X Max Early LT, Trans Control DBW

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$3,549.95

/kit

$3,824.95

5.7 LS1 Engine Upgrades: Build Recipes for 400 HP-700+ HP

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

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.

Car Cooling System Components

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

$275 Off

Holley |

#4255501631LSD

Holley 550-1631LSD 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

-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

-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

$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

$244 Off

Holley |

#4255501610

Holley 550-1610 Terminator X Max GM Early LT, Trans Control

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$3,299.95

/kit

$3,543.95

$244 Off

Holley |

#4255501611

Holley 550-1611 Terminator X Max GM Late LT, Trans Control

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$3,299.95

/kit

$3,543.95

$244 Off

Holley |

#4255501621

Holley 550-1621 Terminator X Max GM Late LT, Drive-by-Wire

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$3,299.95

/kit

$3,543.95

$248 Off

Holley |

#4255501210

Holley 550-1210 Terminator X, 2011-2012 Ford Coyote Ti-VCT, EV1

Ignition Type:

Ford Coyote

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$3,149.95

/kit

$3,397.95

$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

$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

$242 Off

Holley |

#425550603N

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

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$3,099.95

/each

$3,341.95

$229 Off

Holley |

#425550605N

Holley EFI 550-605N HP EFI ECU And Harness Kits

Ignition Type:

Universal

GTIN Code:

090127687482

Sold in Quantity:

Kit

$2,999.95

/each

$3,228.95

$229 Off

Holley |

#425550606N

Holley 550-606N HP EFI ECU & Harness Kit, Ford V8 MPFI, NTK O2

Ignition Type:

Ford TFI

Injector Connector:

Jetronic / Minitimer (EV1)

Sold in Quantity:

Kit

$2,999.95

/each

$3,228.95

$242 Off

Holley |

#425550607N

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

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$3,099.95

/each

$3,341.95

$250 Off

Holley |

#425550619N

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

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Throttle Style:

Cable Driven

$3,799.95

/kit

$4,049.95

$242 Off

Holley |

#425550628N

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

Ignition Type:

Ford Coyote

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$3,099.95

/kit

$3,341.95

$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

$132 Off

Holley |

#425550919T

Holley 550-919T Terminator X Max 24X/1X EV6 LS MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$1,949.95

/kit

$2,081.95

$157 Off

Holley |

#425550927T

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

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

USB/CAN Tuning Cable

$2,149.95

/each

$2,306.95

$157 Off

Holley |

#425550928T

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

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

USB/CAN Tuning Cable

$2,149.95

/each

$2,306.95

Showing all 100 results

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Holley Cadillac Engine Control Modules

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Products

Holley 550-1510 Terminator X Max, 13-15 Coyote Ti-VCT, EV6, DBW

Holley 550-1512 Terminator X Max, 15.5-17 Coyote Ti-VCT, EV6, DBW

Holley 550-1600 Terminator X GM Gen V Early LT Kit

Holley 550-1620LSD Terminator X Max GM Early LT, Drive-by-Wire

Holley 550-1630LSD Terminator X Max Early LT, Trans Control DBW

Related Articles

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

Holley 550-904 Terminator X Early Truck LS MPFI Kit

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

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

Holley 550-1610 Terminator X Max GM Early LT, Trans Control

Holley 550-1611 Terminator X Max GM Late LT, Trans Control

Holley 550-1621 Terminator X Max GM Late LT, Drive-by-Wire

Holley 550-1210 Terminator X, 2011-2012 Ford Coyote Ti-VCT, EV1

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 550-603N HP EFI ECU & Harness Kit, LS2/LS3/LS7, NTK O2

Holley EFI 550-605N HP EFI ECU And Harness Kits

Holley 550-606N HP EFI ECU & Harness Kit, Ford V8 MPFI, NTK O2

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

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

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

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

Holley 550-919T Terminator X Max 24X/1X EV6 LS MPFI Kit

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

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

Models: