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Terminator X Max EFI ECU Kit for GM LS Truck and LS2/LS3 with Transmission Control
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HOLLEYPART NUMBER: 510-550-918

Terminator X Max EFI ECU Kit for GM LS Truck and LS2/LS3 with Transmission Control

$1,99995
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GM LS
LS2/LS3/LS Truck Engine 58x Tooth Crank Reluctor
Terminator X Max EFI ECU Kit
  • GM LS 4.8/5.3/6.0 Truck, LS2, and LS3 Engines
  • 58x Crank, 4x Cam, EV6 Injectors
  • 4L60E and 4L80E Transmission Control
  • Four 12-Volt and 5-Volt Programmable Inputs
  • Includes 3.5 in. Touchscreen Handheld

    Terminator X Max is a self-tuning EFI ECU kit for Gen IV GM LS truck, LS2, and LS3 engines, adding real-time fuel learn, transmission control, and Holley EFI tuning with the included 3.5 in. touchscreen handheld.

    Holley 550-918 Highlights:

    • Fits GM LS 4.8/5.3/6.0 truck, LS2, and LS3 engines.
    • 58x crank, 4x cam, EV6 injector harness.
    • Controls 4L60E and 4L80E transmissions.
    • Real-time self-learning fuel with 1-bar MAP sensor.
    • Bosch LSU 4.9 wideband oxygen sensor included.
    • Includes 3.5 in. touchscreen handheld and main harness.
    • Standalone Engine Management Systems

      Holley EFI has delivered the Terminator X and Terminator X Max standalone engine management systems (EMS) for swappers to take full control of their fuel-injected or multi-point fuel injected (MPFI) engines. Terminator X systems design is a simple plug-and-play unit incorporating self-learning technologies without needing any tuning interfaces, which is often required when using a factory power-train control module (PCM). Terminator X kits offer engine control, while Terminator X Max kits offer both engine and transmission control. Power adders such as nitrous and boost can easily be handled with custom settings and features, making these Terminator X kits ideal street and strip ECMs.

    Part TypeEngine Control Module
    Product LineHolley EFI Terminator X & Terminator X Max MPFI Controllers
    BrandHOLLEY
    Package Height9.1
    Package Width12.8
    Package Length14.5
    Weight11.34 PG
    Part CategoryPerformance Parts
    Part FitmentUniversal
    Package Qty1
    Package TypeEA
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