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554-111 | NITROUS SOLENOID DRIVERclose
High Current Nitrous Solenoid Driver for use with Holley EFIFeatures:40 Amp maximum current drawAmp Draw40 Amps MaximumBrandHolley EFIEmission Code3Product TypeHigh Current Driver - ModulePart Number554-111..
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554-112 | 4 CHANNEL DUMB COIL DRIVER MODULEclose
The four channel coil driver module is used to drive a two wire "dumb" ignition coil. Such coils are typically used on Ford Modular and late model Chrysler HEMI engines. Holley EFI ECUs require this coil driver module when running two wire "dumb" coils. Each module can drive four coils, so two are required for an eight cylinder engine that uses eight coils. Included is the coil driver module, an i..
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554-113 | HOLLEY EFI HP ECUclose
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and..
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554-114 | HOLLEY EFI DOMINATOR ECUclose
Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator® systems have nearly unlimited capabilities to control any power adder, input, or output you can throw at them. Need to run a turbocharged, nitrous inje..
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554-122 | COIL DRIVERS, CONTAINS(2) FOUR CHANNEL, close
The eight channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains two 4-channel drivers, requires on an eight cylinder engine.Features:Eight channelDrives two wire “Dumb Coils”Potted design allows installation in engine compartmentContains two 4-channel driversPlug and Play with 558-314, 558-315 and 558-31..
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554-123 | 4 CHANNEL COIL DRIVER, NO HARNESSclose
The four channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains one 4-channel driver.Features:Four channelPotted design allows installation in engine compartmentBrandHolley EFIEmission Code5Product TypeHigh Current Driver - ModulePart Number554-123..
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554-140 | GPS, DIGITAL DASH, USBclose
Have you been searching for a reason to discard your old noisy mechanical speedometer cable? If so, the Holley GPS Module for our 7" Digital displays should be the next addition to your project vehicle. Featuring a simple plug and play installation, this GPS Module will allow you to display vehicle speed on your digital dash, without needing any external sensor information.Features:USB connection ..
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554-145 | Coyote TI-VCT Control Moduleclose
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:Compatible with HP or Dominator EFITi-VCT..
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555-100 | HOLLEY EFI V5 TRACTION CNTRL APPLICATIONclose
Getting a high powered drag car to hook is the key to low elapsed times and win lights. Whether small tire radial car or a full out Pro-Mod, all racecars will benefit from Holley's new Time-Based Traction Management feature. Designed exclusively for Holley Dominator and HP ECU's running the highly featured V5 software, the Time-Based Traction Management is intended for drag racing, standing mile ..
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556-112 | HI-PERF C-N-P SMART COILclose
This coil is designed for use with Holley® HP and Dominator ECUs, as well other EFI systems that can drive "smart" ignition coils. Although it is designed for high powered race applications, it can be used on street driven vehicles as well.Features:Peak Voltage – 44,000 VoltsPeak Output – 102 MjMaximum Battery Voltage 17.0 VoltsIncludes mating connector and pinsBrandHolley EFIEmission Code4Height1..
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556-125 | KIT, 8 INCH 36-1 TOOTH UNIV. TRIGGER WHEclose
Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45 degrees for a standard 4-Magnet, MSD "style" Crank trigger.Features:8” diameter, 1/4” thick, billet steel, 36-1 tooth, crank wheel with Black Zinc Oxide..
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556-126 | KIT, 7.25 INCH 36-1 TOOTH UNIV. TRIGGER close
Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45 degrees for a standard 4-Magnet, MSD "style" Crank trigger.Features:7.25” diameter, 1/4” thick, billet steel, 36-1 tooth, crank wheel with Black Zinc Ox..
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556-127 | KIT, 8 CYLINDER SMART COIL KITclose
Do you need precision control over your ignition system? Would your combination benefit from Individual Cylinder Timing Control? Are you experiencing spark issues with your Stock Coils? Are you wanting to convert your Turbocharged Big Block Monstrosity to Coil-Near-Plug?! Problem solved, introducing the Holley EFI C-N-P Kit containing everything to convert your ignition system to Coil-Near-Plug! F..
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556-128 | KIT, BIG WIRE 8 CYLINDER SMART COIL KITclose
Do you need precision control over your ignition system? Would your combination benefit from Individual Cylinder Timing Control? Are you experiencing spark issues with your Stock Coils? Are you wanting to convert your Turbocharged Big Block Monstrosity to Coil-Near-Plug?! Problem solved, introducing the Holley EFI Big-Wire C-N-P Kit containing everything you need to upgrade your ignition system to..
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556-150 | COIL DRIVER MODULE, SNIPER EFIclose
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..
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558-108 | MAIN HARNESS, 99-04 FORD MODULARclose
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..
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558-110 | MAIN HARNESS, FORD COYOTE TI-VCTclose
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..
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558-212 | INJECTOR HARNESS, FORD, USCAR, EVENLY SPclose
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..
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558-213 | INJECTOR HARNESS, FORD, JETRONIC, EVENLYclose
Ford V8 Injector Harness for Jetronic "Bosch" style Fuel Injectors (Evenly Spaced)BrandHolley EFIEmission Code3Harness ApplicationFordHarness TypeInjectorProduct TypeFord EV1 Style Injector HarnessPart Number558-213..
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558-314 | COIL HARNESS, 2V FORD MODULARclose
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..
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