Wiring Harness and Components

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HP Tuners |

#32300001

HP Tuners COR-HAR-001 Core ECU Terminated Gen3 DBC LSX Harness

Type:

Drive By Cable

Fuse Block Included:

Yes

Sold in Quantity:

Each

$949.99

/each

$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

-5%

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

$1,599.95

/kit

$1,687.95

Holley |

#425558500

Holley EFI 558-500 GM LS 24X EFI Harness Kit

Sold in Quantity:

Each

GTIN Code:

090127721315

$1,065.95

/each

ICT WAINJ30 Fuel Injector Adapter Harness, EV1 To Mini Multec 2

ICT BILLET |

#82600030

ICT WAINJ30 Fuel Injector Adapter Harness, EV1 To Mini Multec 2

Injection Style:

Multi-port

Wiring Harness Included:

Yes

$100.00

/each

How to Wire a Race Car | DIY Wiring Harness 101

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

Universal Wiring Harness Instructions - Installation

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Speedway Economy 12 Circuit Wiring Harness

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

Week to Wicked Product Feature: Painless Wiring Harness

Speedway Motors and Classic Trucks called on Painless Wiring to power their ground up rebuild of a 1952 Chevy truck that was built in celebration of Speedway Motors’ 65th anniversary.

Braking Components - Selection and Design

Looking for a performance or custom brake set-up? Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. No need to worry, just follow our handy guide.

Installing a Speedway Motors 22 Circuit Wiring Kit

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit. Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

The Best Wiring Solution for Your Hot Rod or Muscle Car Project

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

Speedway Tech Talk - Unboxing Wiring Harness Kits

Unbox our most popular wiring harness with Tim.

Crimp vs Solder | How to Solder & Crimp Automotive Wires

Crimping or soldering automotive wiring are both viable options, but in some cases, it is preferable to do one vs the other

Upgrade Your Ride with a Mini Starter!

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

$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

$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 |

#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

$269 Off

Holley |

#425550654

Holley EFI 550-654 Dominator Kit, Universal, Cop Main Harness

GTIN Code:

090127137147

$3,499.95

/each

$3,768.95

$163 Off

Holley |

#425550926

Holley 550-926 Terminator X Max LS1/LS6 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,199.95

/each

$2,362.95

FAST 301101 XFI Main Wiring Harness, GM LT1/Carb Conversion

FAST Fuel Air Spark Technology |

#282301101

FAST 301101 XFI Main Wiring Harness, GM LT1/Carb Conversion

Sold in Quantity:

Kit

Ignition Key Location:

Column

$453.95

/each

Holley 558-494 Sniper 2 EFI Throttle Body CAN Hub

Holley Sniper |

#425558494

Holley 558-494 Sniper 2 EFI Throttle Body CAN Hub

GTIN Code:

090127851807

$127.95

/each

$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

New Product

HP Tuners |

#32300002

MAP Sensor Included:

Transmission Control:

Sold in Quantity:

Each

$584.95

/each

$633.95

$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

$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

FAST 301208 XFI Fuel Injector Harness, Chrysler New Hemi 5.7/6.1/6.4L

FAST Fuel Air Spark Technology |

#282301208

FAST 301208 XFI Fuel Injector Harness, Chrysler New Hemi 5.7/6.1/6.4L

GTIN Code:

036584134169

$165.95

/each

-8%

Holley |

GTIN Code:

090127130186

$2,649.95

/kit

$2,823.95

$282 Off

Holley |

#425550656

Holley EFI 550-656 Dominator EFI Kit, LS1 Main Harness, EV1

GTIN Code:

090127137161

$3,599.95

/each

$3,881.95

090127727447

$899.95

/each

$979.95

-7%

Holley |

#425558132

Holley 558-132 Gen III Hemi VVT/SRV Harness, for Term X Systems

Sold in Quantity:

Each

GTIN Code:

090127104453

$173.95

/kit

$188.95

$187 Off

Holley |

#425554119

Holley 554-119 Terminator EFI ECU

Transmission Control:

GTIN Code:

090127685556

Sold in Quantity:

Each

$2,349.95

/each

$2,536.95

-7%

Holley |

#425554142

Holley 554-142 Injector Driver Module with Harness

Transmission Control:

Sold in Quantity:

Each

$659.95

/each

$714.95

New Product

HP Tuners |

#32300003

HP Tuners COR-HAR-003 Core ECU Unterminated lead LSX Harness

Type:

Universal

Fuse Block Included:

Sold in Quantity:

Each

$549.99

/each

$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

Showing 1 - 144 of 286 results

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Wiring Harness and Components

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Products

HP Tuners COR-HAR-001 Core ECU Terminated Gen3 DBC LSX Harness

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

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

Holley EFI 558-500 GM LS 24X EFI Harness Kit

ICT WAINJ30 Fuel Injector Adapter Harness, EV1 To Mini Multec 2

Related Articles

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

Holley 550-916T Terminator X Max LS1 MPFI Kit

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

Holley EFI 550-654 Dominator Kit, Universal, Cop Main Harness

Holley 550-926 Terminator X Max LS1/LS6 MPFI Kit

FAST 301101 XFI Main Wiring Harness, GM LT1/Carb Conversion

Holley 558-494 Sniper 2 EFI Throttle Body CAN Hub

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

HP Tuners COR-HAR-002 Core ECU Terminated Gen4 DBW LSX Harness

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

Holley 550-959 Terminator X Max Universal MPFI Kit

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

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

MSD 2911 Power Module for Atomic TBI

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

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

FAST 301208 XFI Fuel Injector Harness, Chrysler New Hemi 5.7/6.1/6.4L

Holley 558-131 Gen III Hemi VVT Harness, for Terminator X Systems

Holley 550-926T Terminator X Max LS1 MPFI Kit

Holley 550-943 Terminator X Max Ford MPFI Kit

Holley EFI 554-114LW Lightweight Dominator ECU

Holley EFI 550-656 Dominator EFI Kit, LS1 Main Harness, EV1

PSI Conversion Multec LS Truck Injector Adaptor

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

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

Holley EFI 558-115 Gen III Hemi Main Harness, Early

Holley 558-132 Gen III Hemi VVT/SRV Harness, for Term X Systems

Holley 554-119 Terminator EFI ECU

Holley 554-142 Injector Driver Module with Harness

HP Tuners COR-HAR-003 Core ECU Unterminated lead LSX Harness

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

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