Hero image 0 of Holley EFI 550-1028 Terminator Max X Stealth 4150 24x w/Trans Control - Shiny Finish, 0 of 11

Holley EFI 550-1028 Terminator Max X Stealth 4150 24x w/Trans Control - Shiny Finish

Name: Holley EFI 550-1028 Terminator Max X Stealth 4150 24x w/Trans Control - Shiny Finish
Brand: HOLLEY EFI
SKU: 947293212
Price: 2819.95 USD
Availability: InStock

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Key item features

Engine Compatibility: Designed for GM LS engines with 24x reluctor wheel configurations, supporting up to 650 HP naturally aspirated or 600 HP with forced induction.
Integrated Control: Features integrated ignition timing control with plug-and-play compatibility for factory LS coil sub-harnesses and OEM LS coils, eliminating external modules.
Stealth Installation: All wiring exits below the fuel injector bowls, ensuring a completely stealth installation, and the air entry fits most stock-style air cleaners.
User-Friendly Tuning: Includes a high-resolution full-color touchscreen for initial setup, tuning, and gauge displays, along with a simple calibration wizard that creates base maps without a laptop.
Transmission Management: Terminator X Max kits provide plug-and-play transmission control for GM 4L60 and 4L80 transmissions, with kick-down provisions for various GM and Ford applications.
Advanced Sensors: Equipped with an internal 1bar MAP sensor and a genuine Bosch LSU 4.9 Wideband Oxygen Sensor for real-time fuel map learning.
Versatile Connectivity: Offers four inputs (12v, Ground, 5v, Frequency) for additional sensors or activation triggers, and four outputs (Ground, PWM) for accessories like fans or boost control.

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Specs

Vehicle make
GM
Vehicle model
LS
Brand
HOLLEY EFI
Vehicle fitment type
Specific
Model
550-1028
Weight
20.58 lb

Current price is $2,819.95

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About this item

Product details

Compatible with vehicles equipped with GM LS engines with 24x reluctor wheel configuration.;

The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Terminator X ECU features fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications? Terminator X Max kits provide plug and play Transmission control for GM 4L60 and 4L80 Transmissions.;

Terminator X Stealth 4150 Kits for 24x LS engines
Supports up to 650HP with Four 100lb./hr. Injectors
Terminator X Max kits provide plug and play Transmission control for GM Transmissions
Internal 1bar MAP sensor, built into the Terminator X ECU.
All of the wiring exits below the fuel injector bowls, for a completely stealth installation
Air entry machined to fit most stock style air cleaners with air cleaner locator provisions
External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886
Integrated ignition timing control - Plug and play with factory LS coil sub harness and OEM LS coils - no external boxes/modules needed to run Coil Near Plug
High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
4 Inputs - 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated)
4 Outputs - Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
OEM Style TPS/IAC, for years of dependable service
Compatible with Holley EFI digital dashes, gauges and fuel system accessories

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Specifications

Compatible cars

vehicles equipped with GM LS engines with 24x reluctor wheel configuration

Vehicle make

Vehicle model

Fuel injection accessory & part type

Terminator X Stealth 4150 EFI system

Warranty

Warranty information

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