Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems

Holley Terminator Max X Stealth 4150 58X LS EFI systems feature four 100 lbs./hr. fuel injectors capable of supporting up to 650 hp naturally aspirated or 600 hp on forced induction applications. The Terminator X ECU provides fuel maps that self-learn and integrated ignition timing control, yielding improved idle stability, drivability, and horsepower at wide-open throttle! Holley Terminator Max X Stealth 4150 58X LS EFI fuel injection systems also include transmission kick-down provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications, as well as plug-and-play transmission control for GM 4L60 and 4L80 applications.

System features include:

* All wiring exits below the fuel injector bowls for a complete stealth installation
* Air entry machined to fit most stock-style air cleaners with air cleaner locator provisions
* Integrated ignition timing control offers 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—no laptop required
* Four inputs (12 V, ground, 5 V, 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)
* Four outputs (ground, PWM -) for accessories such as fans, boost control, nitrous control, IAC kit, and more
* Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning
* OEM-style TPS/IAC for years of dependable service
* Available in three finishes: shiny, black, and gold
* Compatible with Holley EFI digital dashes, gauges, and fuel system accessories Show Less