

Hero image 0 of Holley EFI 550-933T Terminator X Max MPFI System, 0 of 6
Reduced price
Holley EFI 550-933T Terminator X Max MPFI System
(No ratings yet)
Check if this fits your vehicle
Key item features
- Engine Compatibility: Designed for GM 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam, and Drive-By-Wire throttle bodies, supporting EV1 injectors.
- Tuning Capabilities: Features real-time fuel map learning, high impedance injector drivers, and utilizes a Bosch LSU 4.9 wideband for accurate AFR readings.
- Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous setups, with options for external 2+Bar sensors.
- Programmable I/O: Equipped with 4 ground/PWM outputs for accessories like fans and boost control, and 4 12v/ground/5v/frequency inputs for additional sensors or triggers.
- Advanced Controls: Offers comprehensive boost control (vs. time, gear, RPM, speed) and single-channel nitrous control with progressive options and safety features.
- Diagnostic & Software: Features on-board diagnostic LEDs for critical engine issues and includes a CAN/USB tuning cable with free EFI tuning software for full control.
- Compact Design: The ECU's compact size allows for versatile mounting, and it's plug-and-play compatible with various Holley EFI accessories.
Generated by AI
Specs
- Vehicle makeChevy
- Vehicle model4.8, 5.3, 6.0 LS Truck Engines
- BrandHOLLEY EFI
- Automotive parts divisionPerformance
- Vehicle fitment typeSpecific
- FeaturesEasy To Use
Current price is USDNow $1,663.95
You save $126.00
was $1,789.95$1,789.95
You save$126.00
Price when purchased online
- Free shipping
Free 90-day returns
How do you want your item?
Try 30 days for just $1! Choose a plan at checkout.
Columbus, 43215
Arrives by Thu, Feb 26
Sold and shipped by Walmart.com
Free 90-day returns
This item is gift eligible
About this item
Product details
GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 Truck Engines- EV1 Injectors - Drive-By-Wire Throttle Body Control, USB/CAN Tuning Cable;
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!
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 550-931 also has 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.
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!;
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!
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 550-931 also has 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.
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!;
- Designed for GM 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and a Drive-By-Wire Throttle Body, with EV1 Injectors.
- Real-Time fuel map learn, takes the guess work out of tuning your base fuel table.
- 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)
- All of the new Terminator X systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
- 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.
- 4 Outputs â€" Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
- 4 Inputs â€" 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
- Boost Control â€" Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
- Nitrous Control â€" Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
- Advanced Tables â€" 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!
- On-Board Diagnostic LEDS for: ECU Power â€" Engine Run â€" Wideband Status â€" TPS Calibration â€" Crank Signal â€"Cam Signal. Allow you to identify any Critical engine issues at a glance
- Includes CAN/USB tuning cable allowing you to configure your ECU and Tuning the engine in real time.
- The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!
- 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!
- Free EFI Tuning Software for complete control of your Terminator X power plant
- Recommended Pedal part number - 10379038
- Includes: 58x/4x LS Engine Main Harness - EV1 Injector Harness - DBW Throttle Body Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted vacuum adapters.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Compatible cars
GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 Truck Engines- EV1 Injectors - Drive-By-Wire Throttle Body Control
Vehicle make
Chevy
Vehicle model
4.8, 5.3, 6.0 LS Truck Engines
Fuel injection accessory & part type
Terminator X Max MPFI System
Warnings
Warning Text
California Proposition 65
Similar items you might like
Based on what customers bought
Reduced price Holley EFI 550-932T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control - Without 3.5" Handheld $1,663.95 Was $1,789.95
Reduced price
$1,66395current price $1,663.95, Was $1,789.95$1,789.95Holley EFI 550-932T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body Control - Without 3.5" Handheld
Holley EFI 550-937F Terminator X Foxbody 5.0 MPFI Kit $1,393.95 Was $1,549.95
$1,39395current price $1,393.95, Was $1,549.95$1,549.95Holley EFI 550-937F Terminator X Foxbody 5.0 MPFI Kit
44.5 out of 5 Stars. 4 reviewsHolley EFI 550-930T Terminator X Max MPFI System $1,663.95
$1,66395current price $1,663.95Holley EFI 550-930T Terminator X Max MPFI System
Terminator X MPFI System $1,348.95 Was $1,459.95
$1,34895current price $1,348.95, Was $1,459.95$1,459.95Terminator X MPFI System
35 out of 5 Stars. 3 reviewsTerminator X Max MPFI System $1,708.95
$1,70895current price $1,708.95Terminator X Max MPFI System
15 out of 5 Stars. 1 reviewsHolley EFI 550-931 Fuel Injection System $1,708.95
$1,70895current price $1,708.95Holley EFI 550-931 Fuel Injection System
Holley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld $1,663.95
$1,66395current price $1,663.95Holley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld
Holley EFI 550-943 Terminator X Max Ford MPFI Kit w/ Transmission Control $1,708.95
$1,70895current price $1,708.95Holley EFI 550-943 Terminator X Max Ford MPFI Kit w/ Transmission Control
Reduced price Holley EFI 550-1223 Terminator X HEMI Gen III 2003-2006 Kit $1,753.95 Was $1,899.95
Reduced price
$1,75395current price $1,753.95, Was $1,899.95$1,899.95Holley EFI 550-1223 Terminator X HEMI Gen III 2003-2006 Kit
Holley EFI 550-1222 Terminator X HEMI Gen III 2003-2006 Kit $1,695.95
$1,69595current price $1,695.95Holley EFI 550-1222 Terminator X HEMI Gen III 2003-2006 Kit
Reduced price Holley EFI 550-918T Terminator X Max 58x/4x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld $1,663.95 Was $1,849.95
Reduced price
$1,66395current price $1,663.95, Was $1,849.95$1,849.95Holley EFI 550-918T Terminator X Max 58x/4x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld
Reduced price Holley EFI 550-930 Fuel Injection System $1,708.95 Was $1,849.95
Reduced price
$1,70895current price $1,708.95, Was $1,849.95$1,849.95Holley EFI 550-930 Fuel Injection System
Holley EFI 550-933 Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body Control $1,708.95
$1,70895current price $1,708.95Holley EFI 550-933 Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body Control
Holley EFI 558-428 Fuel Injection Harness $54.05
$5405current price $54.05Holley EFI 558-428 Fuel Injection Harness
Holley EFI 550-1224 Terminator X HEMI Gen III 2007-2013 Kit $1,949.95
$1,94995current price $1,949.95Holley EFI 550-1224 Terminator X HEMI Gen III 2007-2013 Kit
Holley EFI 550-1006 Terminator X Stealth 4150, Gold $2,249.95
$2,24995current price $2,249.95Holley EFI 550-1006 Terminator X Stealth 4150, Gold
Holley EFI 550-929 Fuel Injection System $1,708.95
$1,70895current price $1,708.95Holley EFI 550-929 Fuel Injection System
Reduced price Holley EFI 162-590 Filter/Regulator - Standard Quick Style Connectors $49.13 Was $54.59
Reduced price
$4913current price $49.13, Was $54.59$54.59Holley EFI 162-590 Filter/Regulator - Standard Quick Style Connectors
Holley EFI 558-508 Fuel Injection Harness $805.95
$80595current price $805.95Holley EFI 558-508 Fuel Injection Harness
Holley EFI 558-425 Fuel Injection Harness $60.74 Was $67.49
$6074current price $60.74, Was $67.49$67.49Holley EFI 558-425 Fuel Injection Harness
3.9 out of 5 Stars. null reviews
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
Related pages
- Mercury Mystique Air Intake Kit
- Mercury Marauder Engine Cold Air Intake Performance Kit
- Performance Fuel Pumps
- Carburetor Accelerator Pumps and Parts
- Holley Hp 750
- Edelbrock Electric Fuel Pump
- Mercury Cougar Fuel Injection Pressure Regulator
- Mercury Comet Distributor
- Performance Fuel Cells & Fuel Tanks
- Fuel Rails
- Carburetor Accelerator Pump Nozzles
- Performance Fuel Injection
