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Holley EFI 550-928 Fuel Injection System
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Key item features
- Engine Compatibility: Designed for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam, and EV6 Injectors.
- Transmission Control: Features integrated control for 4L60E/4L80E transmissions and drive-by-wire throttle bodies.
- Tuning Capabilities: Offers real-time fuel map learning, a calibration wizard, and free EFI tuning software for comprehensive control.
- Sensor Integration: Includes an on-board 1bar MAP sensor and utilizes a Bosch LSU 4.9 wideband for accurate AFR readings.
- Input/Output Versatility: Provides 4 programmable inputs and 4 programmable outputs for accessories like fans, boost control, and nitrous.
- Diagnostic Features: Equipped with on-board diagnostic LEDs for quick identification of critical engine issues.
- User Interface: Comes with a 3.5" touchscreen handheld for tuning, data-logging, and a customizable gauge display.
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Specs
- Vehicle makeGM
- Fuel injection accessory & part typeFuel Injection System
- BrandHOLLEY EFI
- Automotive parts divisionPerformance
- Vehicle fitment typeSpecific
- FeaturesEasy To Use
Current price is USD$2,099.95
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Columbus, 43215
Arrives by Mon, Feb 9
|Sold and shipped by Fast Track Auto
4.875 stars out of 5, based on 16 seller reviews(4.9)16 seller reviews
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Starting from $2,099.95
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About this item
Product details
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, No Laptop Required, 3.5 in. Touchscreen Included;
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 550-928 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. 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 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 550-928 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. 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 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 LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam and 4L60E/4L80E transmissions, Drive-by wire throttle body control, and EV6 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 Max 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.
- MAP Sensor vacuum hose adapters (1/8th â€" Â1/4 and 3/16ths)
- 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
- 4 Outputs â€" Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
- 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
- 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.
- 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 - 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
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Specifications
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
Fuel Injection System
Warranty
Warranty information
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warranty url
Warnings
Warning Text
California Proposition 65
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| Vehicle make | GMHolley EFI 550-928 Fuel Injection System | GMTerminator X Max Fuel Injection System | ChevyTerminator X Max MPFI System | GMHolley EFI 550-917 Fuel Injection System | GMHolley EFI 550-926 Fuel Injection System | -Holley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | GMHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | GMHolley EFI 550-608 Fuel Injection System | GMHolley EFI 550-935 Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control | FordHolley EFI 550-1006 Terminator X Stealth 4150, Gold |
|---|---|---|---|---|---|---|---|---|---|---|
| Fuel injection accessory & part type | Fuel Injection SystemHolley EFI 550-928 Fuel Injection System | Terminator X MaxTerminator X Max Fuel Injection System | -Terminator X Max MPFI System | Fuel Injection SystemHolley EFI 550-917 Fuel Injection System | Fuel Injection SystemHolley EFI 550-926 Fuel Injection System | -Holley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | -Holley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | Fuel Injection SystemHolley EFI 550-608 Fuel Injection System | -Holley EFI 550-935 Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control | Fuel InjectorsHolley EFI 550-1006 Terminator X Stealth 4150, Gold |
| Automotive parts division | PerformanceHolley EFI 550-928 Fuel Injection System | PerformanceTerminator X Max Fuel Injection System | PerformanceTerminator X Max MPFI System | PerformanceHolley EFI 550-917 Fuel Injection System | PerformanceHolley EFI 550-926 Fuel Injection System | PerformanceHolley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | PerformanceHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | PerformanceHolley EFI 550-608 Fuel Injection System | PerformanceHolley EFI 550-935 Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control | PerformanceHolley EFI 550-1006 Terminator X Stealth 4150, Gold |
| Vehicle fitment type | SpecificHolley EFI 550-928 Fuel Injection System | SpecificTerminator X Max Fuel Injection System | UniversalTerminator X Max MPFI System | SpecificHolley EFI 550-917 Fuel Injection System | SpecificHolley EFI 550-926 Fuel Injection System | UniversalHolley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | SpecificHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | SpecificHolley EFI 550-608 Fuel Injection System | SpecificHolley EFI 550-935 Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control | UniversalHolley EFI 550-1006 Terminator X Stealth 4150, Gold |
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