Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld
Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld
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Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld

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Key item features

  • Engine Compatibility: Designed for GM LS1/LS6 engines with 24x crank reluctor and EV6 injectors, offering control for various LS engine combinations.
  • Advanced Tuning: Features real-time fuel map learning, high impedance injector drivers, and a Bosch LSU 4.9 wideband sensor for precise AFR readings and tuning.
  • Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous setups, with options for external 2+Bar sensors.
  • Versatile Control: Provides 4 programmable inputs for additional sensors or activation triggers, alongside comprehensive boost and nitrous control capabilities.
  • Diagnostic & Software: Equipped with on-board diagnostic LEDs for quick issue identification and free EFI tuning software for full laptop access and real-time configuration.
  • Compact Design: The ECU's compact size allows for flexible mounting, and it's plug-and-play compatible with various Holley EFI accessories.
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Current price is $1,399.95
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Columbus, 43215
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Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld
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Comparison Chart:
Compatible carsGM LS1/LS6Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld4.8,5.3,6.0 TRUCK ENGINESHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldGM LS1/LS6Terminator X MPFI SystemLS1,LS6Holley EFI 550-903T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldGM LS1/LS6Holley EFI 550-903 Fuel Injection System-Holley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld-Holley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" Handheld-Terminator X LS1 MPFI System-Holley EFI 550-932T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control - Without 3.5" Handheld-Holley EFI 162-591 Filter/Regulator - 6AN Connectors
Vehicle makeGMHolley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldGMHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldGMTerminator X MPFI SystemGMHolley EFI 550-903T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldGMHolley EFI 550-903 Fuel Injection SystemGMHolley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" HandheldGMHolley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" HandheldGMTerminator X LS1 MPFI SystemGMHolley EFI 550-932T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control - Without 3.5" Handheld-Holley EFI 162-591 Filter/Regulator - 6AN Connectors
Vehicle modelLS1Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldLSHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldLS1Terminator X MPFI SystemLS1Holley EFI 550-903T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld550-903Holley EFI 550-903 Fuel Injection SystemLS1Holley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" HandheldLSHolley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" Handheld550-905Terminator X LS1 MPFI SystemLS1Holley EFI 550-932T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control - Without 3.5" Handheld-Holley EFI 162-591 Filter/Regulator - 6AN Connectors
Automotive parts divisionPerformanceHolley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldPerformanceHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldPerformanceTerminator X MPFI SystemPerformanceHolley EFI 550-903T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldPerformanceHolley EFI 550-903 Fuel Injection SystemPerformanceHolley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" HandheldPerformanceHolley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" HandheldPerformanceTerminator X LS1 MPFI SystemPerformanceHolley EFI 550-932T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control - Without 3.5" Handheld-Holley EFI 162-591 Filter/Regulator - 6AN Connectors
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