Terminator X Max gives GM LS truck engines full standalone control of fuel, ignition, and the automatic transmission, with self-learning fuel strategies that get the engine running without laptop tuning.

Holley 550-917T Features:

• For GM LS 4.8/5.3/6.0 Gen III truck engines with 24x crank and 1x cam reluctors.
• Integrated 4L60E and 4L80E electronic transmission control.
• High-impedance injector drivers with an integrated 1 Bar MAP sensor.
• Four programmable inputs and outputs for fans, boost, and nitrous control.
• Includes 1/8, 1/4, and 3/16 in. vacuum hose adapters.
• USB/CAN tuning cable with free gauge and data-logging software.