
Terminator X Max EFI ECU Kit for GM LS Truck and LS2/LS3 DBW Transmission No Handheld
LS2/LS3/LS Truck Engine 58x Tooth Crank Reluctor
Terminator X Max is a self-tuning EFI ECU kit for Gen IV GM LS truck, LS2, and LS3 engines with drive-by-wire throttle and transmission control, tuned over a USB/CAN cable with the free Terminator X software instead of a handheld.
Holley 550-928T Highlights:
- Fits GM LS 4.8/5.3/6.0 truck, LS2, and LS3 engines.
- 58x crank, 4x cam, EV6 injector harness.
- Drive-by-wire throttle body control.
- Controls 4L60E and 4L80E transmissions.
- USB/CAN tuning cable in place of a handheld.
- Four 12-volt and 5-volt programmable inputs and outputs.
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.





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