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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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554-119 | HOLLEY EFI TERMINATOR ECUclose
An EFI System so easy and powerful you'll think it's alive! Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride! Features:ECU onlyEasy to installNo computer experience requiredSimple multiple choice set–up wizardSelf–tunes while you driveUpgradable to complete laptop control without buying another ECUBrandHolley EFIEmission Code4Product TypeTerminator EC..
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554-120 | MAP SENSOR, TERMINATOR 1 BARclose
Replacement 1 bar MAP sensor for Terminator EFI.BrandHolley EFIEmission Code5Product TypeMAP SensorPart Number554-120..
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554-121 | AIR TEMP SENSOR, TERMINATORclose
Replacement Air Temperature Sensor for Terminator EFI.BrandHolley EFIEmission Code5Product TypeTemperature SensorPart Number554-121..
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558-105 | UNTERMINATED MAIN HARNESSclose
BrandHolley EFIEmission Code3Harness ApplicationUniversalHarness TypeMainProduct TypeUniversal Unterminated Main Engine HarnessPart Number558-105..
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558-121 | 2X4 TERMINATOR STEALTH MAIN HARNESSclose
Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This upgrade is also perfect for anyone wanting to convert their 2x4 supercharged combo over to Electronic Fuel Injection!Features:2x4 Side Mount Stealth T..
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558-204 | UNIV. UNTERMINATED INJ HARNESSclose
Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style).BrandHolley EFIEmission Code3Harness ApplicationUniversalHarness TypeInjectorProduct TypeUniversal Unterminated Injector HarnessPart Number558-204..
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558-207 | UNTERMINATED 16 INJ HARNESSclose
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 EFI BrandHolley EFIEmission Code3Harness ApplicationUniversalHarness TypeInjectorProduct TypeUniversal Unterminated Injector HarnessPart Number558-207..
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558-208 | UNTERMINATED 24 INJ HARNESSclose
Unterminated 24 injector MPFI harness Terminated at injector connectors (Bosch style). Harness must be assembled and require crimping Metripak 150 connectors. Includes all connectors, pins, terminals, and loom needed. for HP EFI & Dominator EFIBrandHolley EFIEmission Code3Harness ApplicationUniversalHarness TypeInjectorProduct TypeUniversal Unterminated Injector HarnessPart Number558-208..
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558-216 | UNIV. UNTERMINATED INJ HARNESS EV6close
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 fit EV6 injector harness for an 8 cylinder engine. Don't forget, if you need a quality metripack crimping tool to complete the job, Holley EFI has you..
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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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558-414 | HARNESS, TERMINATOR MAINclose
Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406.BrandHolley EFIEmission Code3Product TypeTerminator TBI Main Engine HarnessPart Number558-414..
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558-415 | SUB-HARNESS, TERMINATORclose
Replacement throttle body wiring harness for Terminator EFI kits 550-405 and 550-406.BrandHolley EFIEmission Code3Product TypeTerminator Throttle Body HarnessPart Number558-415..
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558-420 | TERMINATOR EFI I/O KITclose
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..
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558-433 | KIT, I/O ADAPTER WITH UNTERMINATED VEHICclose
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..
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558-434 | KIT, I/O ADAPTER WITH TERMINATED VEHICLEclose
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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558-435 | UNTERMINATED VEHICLE HARNESS, DIGITAL DAclose
Unterminated Vehicle Harness For Digital DashBrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-435..
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