Hero image 0 of Holley EFI 550-1060 Terminator X Stealth 4150 58X - Shiny Finish, 0 of 11

Holley EFI 550-1060 Terminator X Stealth 4150 58X - Shiny Finish

Name: Holley EFI 550-1060 Terminator X Stealth 4150 58X - Shiny Finish
Brand: HOLLEY EFI
SKU: 189548735
Price: 2299.95 USD
Availability: InStock

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Key item features

Engine Compatibility: Designed for GM LS engines with 58x reluctor wheel configurations, specifically Terminator X Stealth 4150 Kits for 58x LS engines.
Power Output: Supports up to 650 HP naturally aspirated or 600 HP with forced induction, utilizing four 100lb./hr. fuel injectors.
Integrated ECU: Features an internal 1bar MAP sensor built into the Terminator X ECU, with all wiring exiting below the fuel injector bowls for a stealth installation.
User-Friendly Tuning: Includes a high-resolution full-color touchscreen and a simple calibration wizard for initial setup and self-tuning, eliminating the need for a laptop.
Ignition Control: Offers integrated ignition timing control with plug-and-play compatibility for factory LS coil sub harnesses and OEM LS coils.
Versatile Inputs/Outputs: Provides 4 inputs (12v, Ground, 5v, Frequency) for sensors or activation triggers, and 4 outputs (Ground, PWM) for accessories like fans or boost control.
Fuel System Requirements: Requires an external fuel pressure regulator set to a base pressure of 58.5 PSI, such as Holley part number 12-886.

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Specs

Compatible cars
GM LS engines
Vehicle make
GM
Vehicle model
LS
Brand
HOLLEY EFI
Vehicle fitment type
Specific
Series
Terminator X

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About this item

Product details

Compatible with vehicles equipped with GM LS engines with 58x 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 58x LS engines
Supports up to 650HP with Four 100lb./hr. Injectors
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

GM LS engines

Vehicle make

Vehicle model

Fuel injection accessory & part type

Terminator X Stealth 4150 EFI system

Warranty

Warranty information

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