24X Crank - 4 Injectors - 650 HP

Part Number: 550-1022

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.

Features and Benefits

• Terminator X Stealth 4150 Kits for either 24x or 58x 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 â€"Plug and play with factory LS coil sub harness and OEM LS coils â€" 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 â€" 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 â€" 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
• Available in 3 finishes: Shiny, Black and Gold
• Compatible with Holley EFI digital dashes, gauges and fuel system accessories