| Management number | 254259920 | Release Date | 2026/11/07 | List Price | US$859.98 | Model Number | 254259920 | ||
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GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 Truck Engines and LS2/LS3 - EV6 Injectors - Drive-By-Wire Throttle Body and Transmission Control, USB/CAN Tuning Cable;<br><br>Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! <br>Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive NOS control, and much more. Part number 550-928 also has 4L60E or 4L80E Transmission control and Drive-By Wire Throttle Body control. Terminator X Max comes fully loaded with base maps for common LS engine combinations to get you out of the garage and on the road/track fast. These Terminator X kits include a USB/CAN tuning cable instead of the 3.5 in. Handheld LCD, these kits require the use of the free Terminator X Software for initial setup. The Terminator X Software includes multiple base calibrations to choose from for either naturally aspirated or boosted engines.<br> Also included is Holley EFI's industry-leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X MAX has the features and technology you need at a price that won't break the bank!;
| Compatible cars | GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 |
|---|---|
| Vehicle make | GM |
| Vehicle model | LS 4.8, 5.3, 6.0 LS Truck Engines and LS2, LS3 |
| Fuel injection accessory & part type | EV6 Injectors, Drive-By-Wire Throttle Body and Transmission Control, USB/CAN Tuning Cable |
| Brand | Holley EFI |
| Automotive parts division | Performance |
| Vehicle fitment type | Specific |
| Items included | 58x, 4x LS Engine Main Harness - EV6 Injector Harness - DBW Throttle Body Harness - 4L60E, 4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input, Output Harness - and assor |
| Accessories | 58x LS Engine Main Harness, EV6 Injctor Harness, DBW Throttle Body Harness, 4L60E/4L80E Transmission Control Harness, Terminator X Max ECU, ECU Main Power Harness, Bosch LSU 4.9 Wideband Oxygen Sensor, Input/Output Harness, Assorted vacuum adapters |
| Features | Easy To Use |
| Model | 550-928T |
| Weight | 10 lb |
| Vehicle type | Truck |
| Volts | 12 V |
| Multipack quantity | 1 |
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