Dominator EFI

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator® systems have nearly unlimit...

V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFISpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: Universal Harness Type: Injector Product Type: Bosch EV...

Unterminated Universal Main Harness for HP EFI & Dominator EFIFeatures:Unterminated for custom routing and wire lengthsSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: Universal Harness Type: ...

Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch style). Harness must be assembled and require crimping Metripak150 connectors. Includes all connectors, pins, terminals, and loom needed. for HP EFI & Dominator EF...

The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.Features: Unterminated 15’ long flying lead harness 60 Holley Crimped Wires (57x 20 ga, 3x 18 ga) 30 optional plug seals Specs: Br...

Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style).Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: Universal Harness Type: Injector Part Type: Fuel Injection...

Universal MPFI Main Harness for HP EFI & Dominator EFISpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: Ford, GM, Universal Harness Type: Main Part Type: Fuel Injection Harness Product Type: ...

GM Tuned Port / Holley Steathram Engine HarnessSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: TPI/ Stealthram Harness Type: Main Part Type: Fuel Injection Harness Product Type: TPI - Stealth...

7' long sealed USB data cable. This cable is included with the purchase of an HP or Dominator ECU.Specs: Brand: Holley EFI Category: Vehicles, Equipment, Tools, and Supplies Color: Black Emission Code: 5 Grade Type: Performance Harness Type:...

This Harness is required with HP or Dominator ECUs. Includes, 13' long, 10 AWG main power harness, Qty. (2) 3/8" ring terminals and shrink tube (not pictured) . The harness is fuse protected and covered in braided split loom for additional abras...

.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 Harness Application: LSX Harness Type: Injector Part Type: Fuel Injection Harness Product Type: LS EV6 Style Injector Harness Sub Category: Wire, Cable and Related ...

This harness is designed to fit LS2/3/7+ engines from 1997-2012. The harness interfaces with 58x crank and 4x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it...

This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly found in 2006+ Year Model vehicles with LS variants such as the: LS2,LS3,LS7,L76,L92, and L98.Specs: Brand: Holley EFI Category: Fuel Injec...

This harness is designed for LS1/6 engines from 1997-2004. This harness interfaces with 24x crank and 1x cam sensors. Harness is a perfect fit for installers wanting to mount the any Holley EFI ECU inside of the passenger compartment where it is a...

This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.Specs: Brand: Holley EFI Category: Fuel Injection - EFI Crank Reluctor: 24x Emission Code: 4 Harness Application: LSX Harne...

Introducing the Holley EFI Programmable 8 Channel Injector Driver Module. The ultimate solution for methanol burning engines that require a large set of secondary injectors. The Holley EFI Injector Driver Module will have you in complete control o...

Introducing the Holley EFI Programmable 8 Channel Injector Driver Module. The ultimate solution for methanol burning engines that require a large set of secondary injectors. The Holley EFI Injector Driver Module will have you in complete control o...

Tremec TKX - TKO Transmission Harness - Terminated for VSS - Reverse Lockout and Reverse LightsSpecs: Brand: Holley EFI Category: Transmission Connector Quantity: 4 Emission Code: 3 Grade Type: Performance Harness Application: GM Harness Ty...

T-56 Magnum Transmission Harness - Terminated for VSS, Reverse Lockout, and Reverse Lights.Specs: Brand: Holley EFI Category: Transmission Connector Quantity: 4 Emission Code: 3 Harness Application: GM Harness Type: Transmission Part Type: ...

F-Body T-56 Transmission Harness - Terminated for VSS - Reverse Lockout and Reverse LightsSpecs: Brand: Holley EFI Category: Transmission Connector Quantity: 4 Emission Code: 3 Grade Type: Performance Harness Application: GM Harness Type: T...

Holley EFI Dominator ECU utilizes a lighter potting material than the standard Dominator unit (reduces total weight by 1.8 lbs). This lightweight version is specifically intended for drag racing only. It is not recommended for use in high-heat con...

Dominator EFI GM Drive-By-Wire HarnessFeatures: Plug and Play with Holley Throttle Pedal Part Number - 145-160 Designed to work with GM Throttle body P/N's - 12570790 and 12580760 Designed to work with GM Throttle Pedal P/N - 10379038 and 19417903...

This harness is for fuel injected small block ford engines such as 5.0L or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC conne...

Introducing the latest addition to the Holley EFI Product Lineup! Our EV6 unterminated injector harness is perfect for anyone wanting to add EV6 injectors to their engine bay.This harness kit comes with everything you need to build a custom cut to...