Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld
Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld
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Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld

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Key item features

  • Engine Compatibility: Designed for GM LS engines with 24x crank reluctor and Multec 2 injectors, specifically supporting 4.8/5.3/6.0 truck engines.
  • Tuning Capabilities: Features real-time fuel map learning, an integrated 1bar MAP sensor, and includes a CAN/USB tuning cable for laptop-based configuration and real-time engine tuning.
  • Injector Support: Equipped with high impedance injector drivers capable of safely powering most stock LS and Holley EFI injectors, but not low impedance injectors.
  • Advanced Controls: Offers 4 programmable outputs for accessories like fans and boost control, and 4 inputs for additional sensors or activation triggers.
  • Integrated Safeties: Includes comprehensive boost control (vs. time, gear, RPM, speed) with safeties, and single-channel nitrous control with rich/lean safeties and closed-loop AFR targeting.
  • Diagnostic Features: On-board diagnostic LEDs provide immediate visual status for ECU power, engine run, wideband, TPS calibration, and crank/cam signals.
  • Expandable System: Plug-and-play compatible with various Holley EFI accessories, including analog gauges, shift lights, and future 12.3" digital dash support.
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Current price is $1,399.95
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Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld
Holley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld
current price $1,399.95
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Comparison Chart:
Compatible cars4.8,5.3,6.0 TRUCK ENGINESHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldGM LS1/LS6Holley EFI 550-903 Fuel Injection SystemGM LS1/LS6Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" Handheld-Holley EFI 550-910T Terminator X 58x/4x EV1 LS MPFI Kit - Without 3.5" HandheldGM LS1/LS6Terminator X MPFI System-Holley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" HandheldFord V8Holley EFI 558-508 Fuel Injection Harness-Terminator X LS1 MPFI System
Vehicle makeGMHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldGMHolley EFI 550-903 Fuel Injection SystemGMHolley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldGMHolley EFI 550-910T Terminator X 58x/4x EV1 LS MPFI Kit - Without 3.5" HandheldGMTerminator X MPFI SystemGMHolley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" HandheldFordHolley EFI 558-508 Fuel Injection HarnessGMTerminator X LS1 MPFI System
Vehicle modelLSHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" Handheld550-903Holley EFI 550-903 Fuel Injection SystemLS1Holley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldLSHolley EFI 550-910T Terminator X 58x/4x EV1 LS MPFI Kit - Without 3.5" HandheldLS1Terminator X MPFI SystemLSHolley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" HandheldV8Holley EFI 558-508 Fuel Injection Harness550-905Terminator X LS1 MPFI System
Automotive parts divisionPerformanceHolley EFI 550-904T Terminator X 24x/1x Multec 2 LS MPFI Kit - Without 3.5" HandheldPerformanceHolley EFI 550-903 Fuel Injection SystemPerformanceHolley EFI 550-909T Terminator X 24x/1x EV1 LS MPFI Kit - Without 3.5" HandheldPerformanceHolley EFI 550-910T Terminator X 58x/4x EV1 LS MPFI Kit - Without 3.5" HandheldPerformanceTerminator X MPFI SystemPerformanceHolley EFI 550-905T Terminator X 58x/4x EV6 LS MPFI Kit - Without 3.5" HandheldPerformanceHolley EFI 558-508 Fuel Injection HarnessPerformanceTerminator X LS1 MPFI System
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