2nd Gen C/K Series Engine Control Modules

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123 products

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Application

Classic Truck

Products

FiTech |

#521300031

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

$254.00

/each

Rebate

Holley |

#425550909

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

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,348.95

/kit

$1,499.95

FiTech |

#521700501

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

Sold in Quantity:

Each

Data Logger:

$567.00

/each

Rebate

Holley |

#425554114

Holley 554-114 Dominator EFI ECU

Ignition Type:

Universal

GTIN Code:

090127665794

Sold in Quantity:

Each

$2,158.95

/each

$2,399.95

Rebate

Holley |

#4255501221

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

Ignition Type:

Holley Smart Coils

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,949.95

/kit

$2,193.95

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.

Gen 4 LS Engines - Junkyard LS Swap Identification Guide: Part 2

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

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!

Carbureted LS Intake Conversion Kit

Learn how to convert an engine using a Carbureted LS Conversion Kit, along with tips for a smooth install. Read more on the manifold and timing control module, which comes with an MSD ignition control box and wiring harness.

Rear Control Arm Replacement

Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.

Control Arm Replacement

Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.

Lower Control Arm Upgrade

Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!

Benefits of Electronic Ignition System Upgrades

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

Control Arm Upgrade

Save some weight by swapping in some upgraded control arms! Employee Steve L. reviews the 1970-81 Camaro Upper Control Arm.

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.

Rebate

Holley |

#425550905

Holley 550-905 Terminator X LS2/LS3 MPFI Kit

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,348.95

/each

$1,499.95

Rebate

Holley |

#425550916

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

(3)

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,708.95

/each

$1,899.95

Rebate

Holley |

#425550919

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

(1)

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,708.95

/kit

$1,899.95

Rebate

Holley |

#425550934

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

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$1,888.95

/kit

$2,099.95

Rebate

Holley |

#425550903

Holley 550-903 Terminator X LS1/LS6 MPFI Kit

(2)

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,348.95

/each

$1,499.95

Rebate

Holley |

#425550918

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

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,708.95

/each

$1,899.95

Rebate

Holley |

#425550928

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

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Drive-By-Wire

$1,888.95

/each

$2,099.95

Rebate

Holley |

Data Acquisition Replacement Component Type:

Dominator ECU - ECM - VCM

Sold in Quantity:

Kit

$3,103.95

/kit

$3,449.95

Rebate

Holley |

#4255501219

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

Ignition Type:

Ford 4V Mod Stock Coils

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,753.95

/kit

$1,949.95

Rebate

Holley |

#425550927T

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

Ignition Type:

Factory GM

Tuner Style:

USB/CAN Tuning Cable

Throttle Style:

Drive-By-Wire

$1,843.95

/each

$2,049.95

Rebate

Holley |

#425550917

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

(3)

Ignition Type:

Factory GM

Tuner Style:

Touchscreen Handheld

Throttle Style:

Cable Driven

$1,708.95

/each

$1,899.95

Rebate

Holley |

#425550931T

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

Ignition Type:

Factory GM

Tuner Style:

USB/CAN Tuning Cable

Throttle Style:

Drive-By-Wire

$1,663.95

/each

$1,849.95

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

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

Rebate

Holley |

Ignition Type:

Factory GM

Tuner Style:

USB/CAN Tuning Cable

Throttle Style:

Cable Driven

$1,258.95

/kit

$1,399.95

Showing 1 - 36 of 123 results

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2nd Gen C/K Series Engine Control Modules

Ignition Type

Brand

Transmission Family

Availability

Discounts

Engine Family

Price

Customer Rating

Products

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

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

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

Holley 554-114 Dominator EFI ECU

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

Related Articles

Holley 550-905 Terminator X LS2/LS3 MPFI Kit

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

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 550-903 Terminator X LS1/LS6 MPFI Kit

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

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

Holley 550-937 Terminator X Ford MPFI Kit

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

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

Holley 550-936 Terminator X Universal MPFI Kit

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

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

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

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

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

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

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

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

Holley 550-945 Terminator X Max Ford MPFI Kit

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

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

Holley 550-916T Terminator X Max LS1 MPFI Kit

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

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

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

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

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

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

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

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

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