Holley Racing Engine Control Modules

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$301 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

$1,698.95

/kit

$1,999.95

$331 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

$1,868.95

/kit

$2,199.95

$241 Off

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

$1,358.95

/kit

$1,599.95

$533 Off

Holley |

#4255501630

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

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$3,016.95

/kit

$3,549.95

$241 Off

Holley |

#425550910

Holley 550-910 Terminator X 58X/4X EV1 LS MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,358.95

/kit

$1,599.95

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!

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

On the Dyno at Speedway Motors Racing Engines

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

Fix An Overheating Race Engine | Beyond The Cooling System

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

Vortec 4.8 LS Build: Horsepower Recipes, Specs, & Upgrades

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

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.

What is The Best Fuel Injector For LS? Stock, Aftermarket, Decapped LS Injectors Explained

Are LS injectors confusing you? Comparing stock vs aftermarket vs decapped, we help you choose the right LS Fuel Injector Size & Connector!

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.

Racing Wheel Technology Guide - Components and Design

Learn about finding the correct beadlock rings, lug-nut taper, wheel spacers, mud covers, and valve stems. This components are critical for safety.

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.

$496 Off

Holley |

#4255501620

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

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$2,803.95

/kit

$3,299.95

$218 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

$1,231.95

/kit

$1,449.95

Rebate

Holley |

#425550944

Holley 550-944 Terminator X Max Ford MPFI Kit

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,698.95

/kit

$1,999.95

$301 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

$1,698.95

/kit

$1,999.95

$301 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

$1,698.95

/kit

$1,999.95

$301 Off

Holley |

#425550933

Holley 550-933 Terminator X Max 58X/4X EV1 LS MPFI Kit, DBW

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,698.95

/kit

$1,999.95

Transmission Control:

Sold in Quantity:

Each

$659.95

/each

$714.95

$496 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

$2,803.95

/kit

$3,299.95

-7%

Holley |

#425554143

Holley 554-143 Injector Driver Module, Programmable, 8 Channel

Transmission Control:

Sold in Quantity:

Each

$659.95

/each

$714.95

$413 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

$2,336.95

/kit

$2,749.95

-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

Showing all 26 results

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Holley Racing Engine Control Modules

Injector Connector

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Products

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

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

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

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

Holley 550-910 Terminator X 58X/4X EV1 LS MPFI Kit

Related Articles

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

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

Holley 550-944 Terminator X Max Ford MPFI Kit

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

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

Holley 550-933 Terminator X Max 58X/4X EV1 LS MPFI Kit, DBW

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

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

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

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

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

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

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

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

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

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

Holley 554-142 Injector Driver Module with Harness

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

Holley 554-143 Injector Driver Module, Programmable, 8 Channel

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

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

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