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550-444K | TERMINATOR STEALTH MASTER KIT-GOLDclose
Have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the benefits of EFI and maintain the traditional looks of a carburetor. Holley's Terminator Stealth EFI systems have the same great self-tuning features of o..
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550-445 | TERMINATOR STEALTH EFI KIT W/TRANS GOLDclose
Have you been hesitant on switching to EFI because you like the traditional look of a carburetor? Do you have a GM 4L60/80E Transmission in your hotrod? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle Body Fuel injection System. Now you can have all of the benefits of EFI yet, maintain the traditional looks of a carburetor. Holley's Terminator Ste..
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550-605 | HP ECU AND UNTERMINATED HARNESS KITclose
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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550-614 | TERMINATOR MPFI, 4.8-6.0 EARLY TRUCKclose
Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-614 kit controls fuel and spark through the Terminator's new 3.5" touchscreen! Install, answer a few basic questions and drive. No laptop required! Features:For 1997 to 2007 4.8/5.3/6.0 truck engines with 24x crank reluctorKit includes everything you need to control your stock or mild ..
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550-615 | TERMINATOR MPFI, 4.8-6.0 EARLY TRUCK - Wclose
Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-615 kit controls fuel, spark, and drive-by-wire through the Terminator's new 3.5" touchscreen! Install, answer a few basic questions and drive. No laptop required! Features:For 1997 to 2007 4.8/5.3/6.0 truck engines with 24x crank reluctor and drive-by-wireKit includes everything you n..
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550-904 | TERMINATOR X MPFI, 4.8-6.0 EARLY TRUCKclose
Take control of your LS engine with Terminator X! 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 features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 progr..
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550-917 | 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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550-918 | 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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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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554-119 | 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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