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The Sniper EFI Coil Driver Module is designed to be used in place of a capacitive discharge box. This coil driver is utilized to amplify the energy transferred to your spark plug, promoting complete combustion in the cylinder!Features:Compact size allows for easy installation without cluttering up your engine bay!Labeled wires take the stress out of your wiring installationBrandHolley Sniper EFIEm..
Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines.BrandHolley EFIEmission Code4Harness ApplicationFordHarness TypeMainProduct TypeFord Modular Main Engine HarnessPart Number558-108..
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.Features:Plug and Play Coyote Main Engine HarnessC..
Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced)BrandHolley EFIEmission Code3Harness ApplicationFordHarness TypeInjectorProduct TypeFord EV6 Style Injector HarnessPart Number558-212..
Ford V8 Injector Harness for Jetronic "Bosch" style Fuel Injectors (Evenly Spaced)BrandHolley EFIEmission Code3Harness ApplicationFordHarness TypeInjectorProduct TypeFord EV1 Style Injector HarnessPart Number558-213..
Coil harness for 99-04 2 Valve Ford Modular (4.6 & 5.4L) Engines. BrandHolley EFIEmission Code4Harness ApplicationFordHarness TypeIgnitionProduct TypeFord Modular Coil HarnessPart Number558-314..
Coil harness for 99-04 4 Valve Ford Modular (4.6 & 5.4L) Engines. BrandHolley EFIEmission Code4Harness ApplicationFordHarness TypeIgnitionProduct TypeFord Modular Coil HarnessPart Number558-315..
Coil Harness for 2011 to 2015 Ford Coyote (5.0L) EnginesBrandHolley EFIEmission Code4Harness ApplicationFordHarness TypeIgnitionProduct TypeFord Modular Coil HarnessPart Number558-317..
"Big Wire" Sub Harness- pre wired with 12ga power and grounds, for optimal performance! Features:“Big Wire” Sub Harness- Pre wired with 12ga Power and Grounds, for optimal performance!BrandHolley EFIEmission Code4Harness TypeIgnitionProduct TypeIgnition HarnessesPart Number558-318..
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module. BrandHolley EFIEmission Code4Harness Application..
BrandHolley EFIEmission Code3Harness TypeAuxiliaryProduct TypeJ1 Auxillary Input/ Output Harness - ConnectorPart Number558-400..
Used when adding a second wide band oxygen sensor to a Dominator EFI installation. Features:J2A Connector#2 Wide band oxygen sensor harness (Fully Terminated)23 user programmable input wires with pre-crimped ECU pinsBrandHolley EFIEmission Code3Harness TypeAuxiliaryProduct TypeJ2 Auxiliary Input/ Output Harness - ConnectorPart Number558-401..
BrandHolley EFIEmission Code3Harness TypeAuxiliaryProduct TypeJ2 Auxiliary Input/ Output Harness - ConnectorPart Number558-402..
BrandHolley EFIEmission Code3Harness TypeAuxiliaryProduct TypeJ3 Auxiliary Input/ Output Harness - ConnectorPart Number558-403..
BrandHolley EFIEmission Code3Harness TypeAuxiliaryProduct TypeJ4 Auxiliary Input/ Output Harness - ConnectorPart Number558-4043This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:1965 and older U.S. manufactured California Certified vehicles1967 an..
7' long sealed USB data cable. This cable is included with the purchase of an HP or Dominator ECU.BrandHolley EFIEmission Code5Harness TypeAuxiliaryLength7'Product TypeUSB Data - Communication CablePart Number558-409..
PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these.BrandHolley EFIEmission Code5Harness TypeAu..
Replacement I/O Adapter for Digital Dash BrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-432..
I/O Adapter w/Unterminated Vehicle HarnessFeatures:Provides ten addiitonal inputs/outputs to the 7" digital dashBrings out connections to a waterproof 26 pin connector similiar to ones used on EFI unitsItem includes USB memory stick to update digital dash firmware that supports adapterBrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-433..
I/O Adapter w/Terminated Vehicle HarnessFeatures:Provides ten addiitonal inputs/outputs to the 7" digital dashBrings out connections to a waterproof 26 pin connector similiar to ones used on EFI unitsHarness includes USB memory stick to update digital dash firmware that supports adapterBrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-434..
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