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550-918 | TERMINATOR X MAX MPFI W/TRANS CONTROLclose
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and..
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550-927 | TERMINATOR X MAX MPFI W/TRANS & DBWclose
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and..
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550-928 | TERMINATOR X MAX MPFI W/TRANS & DBWclose
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and..
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550-930 | TERMINATOR X MAX MPFI W/DBWclose
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and..
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550-931 | TERMINATOR X MAX MPFI W/DBWclose
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and..
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5506 | SF, Cap/Rotor Kit, Ford V8, Socketclose
All of the Street Fire components are spec'd by MSD engineers and designed to provide performance for the price. The quality of each part is backed up with a one year warranty!BrandStreet FireEmission Code5Part Number5506..
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553-106 | HOLLEY EFI DIGITAL DASHclose
The Holley EFI Digital Dash is completely customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need. The dash also offers a virtual switch panel, user defined alarms, configurable shift lights and can control on screen playback of your EFI data logs. The Holley EFI Digital Dash measures 7.5" wide, 4.625" tall and 1" deep which makes it a ..
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553-121 | 4-1/2 SPEEDOMETER, 0-160 MPH, GPS, BLACKclose
Holley is pleased to announce the continuing evolution of its very successful analog-style gauges with the release of new 3-3/8" and 4-1/2" speedometers and tachometers to complement our 2-1/16" gauge line. These are designed specifically for use with Holley EFI systems or as a standalone unit and available in both black and white face versions. These gauges are compatible with all Terminator, HP,..
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553-147BK | 4-1/2 BEZELS, BLACK, PACK OF 2close
Stock Replacement Bezels for Holley EFI Analog Style Speedometer & Tachometer Gauges, Pack of 2Features:CNC billet aluminum with black anodized finishThreaded for simple screw-on replacementBrandHolley EFIEmission Code5Product TypeGauge BezelPart Number553-147BK..
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554-155 | WBO2 SENSOR, SNIPER TBIclose
Replacement Bosch Wideband Oxygen sensor for Sniper EFI Systems.Features:Anti-Seize pre-applied to sensor threads.Service Oxygen Sensor for 550-510/550-511/550-516 and 550-510K/550-511K/550-516KBrandHolley Sniper EFIEmission Code4Product TypeOxygen SensorPart Number554-155..
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557-106 | 1000CC WM SOLENOIDclose
Take your forced induction ride to the next level with a Holley water/meth injection system! Integrated into the Holley HP and Dominator EFI Systems is the capability to control water/methanol injection, allowing you to safely run on lower octane pump gas! What makes the Holley water/methanol system unique and light years ahead of competitive systems, is that the solenoid flow has been characteri..
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558-113 | MAIN HARNESS, 99-04 FORD MODULAR, W/ SMAclose
Main Harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines for use with Holley Smart CoilsBrandHolley EFIEmission Code4Harness ApplicationFordHarness TypeMainProduct TypeFord Modular Main Engine HarnessPart Number558-113..
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558-206 | 2 x 4 TBI INJ HARNESSclose
2x4 BBL Holley TBI Injector Harness for HP EFI & Dominator EFI BrandHolley EFIEmission Code3Harness ApplicationTBIHarness TypeInjectorProduct TypeThrottle Body Injector HarnessPart Number558-206..
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558-306 | UNIV UNTERMINATED IGN HARNESSclose
Universal Unterminated Ignition Harness for HP EFI & Dominator EFIBrandHolley EFIEmission Code3Harness ApplicationUniversalHarness TypeIgnitionProduct TypeUniversal Unterminated Ignition HarnessPart Number558-306..
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558-425 | CAN EXTENSION HARNESS, 8FTclose
Can Extension Harness (for Racepak and other external CAN drives)BrandHolley EFIEmission Code5Product TypeCAN Extension HarnessPart Number558-425..
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558-443 | USB/CAN HARNESS, SNIPER TBIclose
The CAN to USB communication cable provides the user with real tuning time access to the ECU. This cable can be used with Holley EFI, Sniper EFI, and Terminator X Tuning Software. Which can be downloaded for free from the Support section of our website!Features:8’ communication cable for easy access to your ECU.BrandHolley EFIEmission Code5Length8ftProduct TypeUSB Data - Communication CablePart Nu..
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558-471 | TRANS HARNESS, AODE/4R70W (92-97)close
Ford AODE/4R70W Transmission HarnessFeatures:Plug and play fully terminated harnessBrandHolley EFIEmission Code3Harness ApplicationFordHarness TypeTransmissionProduct TypeHarness KitPart Number558-471..
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558-490 | 7 PIN MAIN HARNESS, SNIPER TBIclose
This harness includes the Switched 12v Power Wire, Main Battery Power and Ground, Fuel Pump Relay, Coil – Input wire, and Magnetic Distributor Input wires. 6' of 3/8" black braided split wire loom has also been included to keep the wires protected and your engine bay clean!Features:1x 5’ 12g Main Battery Power Wire1x 5’ 12g Main Battery Ground Wire1x 30A Fuse with Cover with Mounting Tab for a sec..
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558-491 | 10 PIN HARNESS, SNIPER TBIclose
This harness gives you the access to 2 Ground Trigger Inputs, 3 Ground Trigger Outputs, also the Points Output, Tachometer output, and Digital Gauge Output Wires. The Input Grounds can be used for things such as AC Kick, and nitrous stage activation! The Output Grounds can be used for Electronic Fan Control, or A/C Shutdown at WOT.Features:Wires come individually labeled for easy identification2x ..
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558-506 | HARNESS KIT, FORD MODULAR 4Vclose
This wiring harness interfaces a Holley EFI ECU to a 4V Ford Modular engine. It is meant to be used in conjunction with an injector harness, a coil harness, and ignition modules. Most stock sensors are used with this harness.Features:Harness Kit Includes: Main Power Harness, Ford Modular Main Harness, Ford V8 Injector Harness, Ford Modular 4V Coil Harness, Coil DriversSimple InstallationCan be use..
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