Features:

• Bolt on 2x4 4150 Flange Carburetor Replacement
• Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
• Internal 1bar MAP sensor, built into the Terminator X ECU
• External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
• Integrated ignition timing control
• 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!
• The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
• OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
• Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
• Plug and play with Holley EFI Accessories, such as the 12.3” and 6.86” Pro Dash; CAN EGT; and Digital Analog style EFI gauges
• Available in 3 finishes: Shiny, Black, and Gold

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

• Holley EFI Oxygen Sensor

  Replacement Sniper and Terminator X O2 Sensor

  Part# 554-155

  $143.95

  Qty: 

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• Main Power Harness

  Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI

  Part# 558-308

  $88.10

  Qty: 

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• Connector J1A/B Input/Outputs Auxiliary Harness

  Connector J1A/B Inputs/Outputs Auxiliary Harness for Terminator X, HP, and Dominator EFI systems

  Part# 558-400

  $98.35

  Qty: 

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• Holley Terminator X Decal

  1.5" x 5" Terminator X Decal

  Part# 36-476

  $3.95

  Qty: 

  Add To Cart

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle