Chevy SS Engine Control Modules

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131 products

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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

$1,741.95

/kit

$2,049.95

Rebate

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

$1,741.95

/kit

$2,049.95

Rebate

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

$1,741.95

/kit

$2,049.95

Rebate

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

$1,741.95

/kit

$2,049.95

Rebate

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

$2,973.95

/kit

$3,499.95

MSD Ignition Box: Ignition Controller Buyer's Guide

Looking for an easy performance upgrade to your ignition system? MSD's line of Ignition Control Boxes offer extreme improvements to drivability and high rpm applications. Here's a look at the differences between the 6 series line-up.

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

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.

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Historic Chevy Performance Engines

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

55 Chevy Engine Build

Derek kicks off his 55 Chevy rebuild with a fresh small block.

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!

Speedway Motors Introduces New Products at 2025 SEMA Show

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce a number of new products in their booth (#23791) at the 2025 SEMA Show Nov. 4-7 in Las Vegas, Nev.

Tubular Control Arms on an S-10

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

Chevy Small Block Casting Numbers

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Rebate

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

$2,973.95

/kit

$3,499.95

Rebate

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

$2,038.95

/kit

$2,399.95

Rebate

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

$2,038.95

/kit

$2,399.95

Rebate

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

$2,973.95

/kit

$3,499.95

$413 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

$2,336.95

/kit

$2,749.95

$496 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

$2,803.95

/kit

$3,299.95

$496 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

$2,803.95

/kit

$3,299.95

$496 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

$2,803.95

/kit

$3,299.95

$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

$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

$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

$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 |

#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

$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

Rebate

Holley |

#425550936

Holley 550-936 Terminator X Universal MPFI Kit

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,358.95

/kit

$1,599.95

Rebate

Holley |

#425550942

Holley 550-942 Terminator X Max Universal MPFI Kit

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,698.95

/kit

$1,999.95

$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

$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

$533 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

$3,016.95

/kit

$3,549.95

$533 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

$3,016.95

/kit

$3,549.95

$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

Rebate

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

$1,231.95

/each

$1,449.95

$293 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

$1,656.95

/kit

$1,949.95

Rebate

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

$1,826.95

/each

$2,149.95

Rebate

Holley |

#425550950

Holley 550-950 Terminator X Max Universal MPFI Kit

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,698.95

/kit

$1,999.95

Rebate

Holley |

#425550959

Holley 550-959 Terminator X Max Universal MPFI Kit

Ignition Type:

Universal

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$1,868.95

/kit

$2,199.95

Rebate

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

$1,826.95

/each

$2,149.95

Showing 1 - 108 of 131 results

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Chevy SS Engine Control Modules

Year

Ignition Type

Brand

Transmission Family

Availability

Discounts

Engine Family

Price

Customer Rating

Products

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

Related Articles

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 550-1601 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 550-916 Terminator X Max LS1/LS6 MPFI Kit

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

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

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

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

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

Holley 550-936 Terminator X Universal MPFI Kit

Holley 550-942 Terminator X Max Universal MPFI Kit

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

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

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

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

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 550-950 Terminator X Max Universal MPFI Kit

Holley 550-959 Terminator X Max Universal MPFI Kit

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

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