| Description_ASC |
Not recommended for 4x4 applications with electronic transfer cases. Not compatible with 4L6X transmissions from model year 1995 or before due to year-by-year changes in converter lockup and downshift strategy. |
| Description_DEF |
Fuel Injection System |
| Description_DES |
Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 |
| Description_EXT |
Terminator X Max Fuel Injection System; Engines w/58x Crank Reluctor/4X Cam; w/Transmission Control; Incl. TBI Unit/ECU/BoschO2 Sensors/3.5 in.Touch Screen;FitsLate LS Trucks; |
| Description_INV |
TERMINATOR X MAX MPFI W/TRANS CONTROL |
| Description_FAB |
Designed for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and 4L60E/4L80E transmissions, and EV6 Injectors |
| Description_FAB |
Real-Time fuel map learn, takes the guess work out of tuning your base fuel table. |
| Description_FAB |
High Impedance Injector Drivers will safely power most Stock LS injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors) |
| Description_FAB |
All of the new Terminator X Max systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control. |
| Description_FAB |
On-Board 1bar MAP sensor, is perfect for N/A or Nitrous engine combos. If your combination requires a 2+Bar, we recommend GM 12592525, and our adapter part number 558-416. |
| Description_FAB |
MAP Sensor vacuum hose adapters (1/8th - ┬╝ and 3/16ths) |
| Description_FAB |
4 Inputs - 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake |
| Description_FAB |
4 Outputs - Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More |
| Description_FAB |
Boost Control - Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties |
| Description_FAB |
Nitrous Control - Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR |
| Description_FAB |
Advanced Tables - 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table, can be used for any custom tables you can dream up, such as Flex Fuel Sensor Offset Table, or a custom fuel or oil pressure safety! |
| Description_FAB |
On-Board Diagnostic LEDS for: ECU Power - Engine Run - Wideband Status - TPS Calibration - Crank Signal -Cam Signal. Allow you to identify any Critical engine issues at a glance |
| Description_FAB |
The included 3.5" Touchscreen Handheld contains a calibration wizard, that allows you to quickly build a base tune for any LS engine. Additionally the handheld provides internal data-logging and a fully customizable gauge display. |
| Description_FAB |
The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up! |
| Description_FAB |
Plug and play compatible with more Holley EFI accessories such as; analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support! |
| Description_FAB |
Free EFI Tuning Software for complete control of your Terminator X power plant |
| Description_FAB |
Includes: 58x/4x LS Engine Main Harness - EV6 Injector 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 assorted vacuum adapters. |
| Description_MKT |
Take control of your LS engine with Terminator X Max! Dont 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! 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 nitrous control, and much more. Part number 550-918 also has 4L60E or 4L80E Transmission 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. The 3.5 in. touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFIs 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 wont break the bank! |
| Description_KEY |
LS fuel injection; Terminator x LS EFI; Holley EFI; Holley EFI LS; LS1; No laptop LS EFI; terminator x; Terminator LS EFI |
| Description_SHO |
FuelInjSystm |
| Brand |
Holley EFI |
| Handheld Included |
Yes |
| Cylinder Head Type |
Standard |
| Engine |
Gen IV GM LS |
| Fuel Rate |
OEM |
| Emission Code |
3 |
| Ignition Type |
GM LS 58x |
| Terminator LS Options |
Fuel, Spark, Transmission |
| Drive-By-Wire |
No |
| Engine Make/Size |
Chevy LS Series |
| WARNING CA Proposition 65 |
Yes |
| WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Crank Reluctor |
58x |
| Injector Connector |
USCAR (EV6) |
| Product Type |
EFI System |
| Warning |
California Proposition 65 |
| Transmission |
4L60E/4L80E |
| Length |
9.4000 |
| Width |
9.5000 |
| Height |
12.7000 |
| Weight |
9.3500 |
