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Cylinder Head Type

  • GM LS Series
  • Standard

Engine Make/Size

  • Chevy LS Series
  • Chevy LS1 5.7L
  • Chevy LS1/LS6
  • Chevy LS2 6.0L
  • Chevy LS3
  • Chevy LS6 GEN III 5.7L
  • Chevy LT1
  • Chrysler Hemi Gen III
  • Ford 4.6L
  • Ford 5.0L Coyote
  • Ford 5.0L/302
  • Ford 5.4L
  • Ford Modular
  • GM LS1/LS6 4.8/5.3/6.0L
  • Universal
  • Universal V8

Fuel Rate

  • OEM
  • 100 lbs./hr

Fuel Injection System

  • Maximize Performance
  • Utilize A Laptop Or Hand Held Tuner
  • Self Tuning Capabilities
  • 4 Programmable Inputs/Outputs
  • Configurable User Password Protection
  • Plug And Play Control Of Factory Engines
  • Internal Data-Logging Is Standard
  • 4 Stage Progressive Nitrous Control

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Holley EFI 

Terminator X LS1 MPFI System

3 Parts

Terminator X LS1 MPFI System
  • Real Time Fuel Map
  • High Impedance Injector Drivers
  • Nitrous Control
  • Plug and Play Main Harness
  • Free EFI Tuning Software

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  • Real Time Fuel Map
  • High Impedance Injector Drivers
  • Nitrous Control
  • Plug and Play Main Harness
  • Free EFI Tuning Software

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Holley EFI 

Terminator X Max MPFI System

56 Parts

Terminator X Max MPFI System
  • Real Time Fuel Map
  • High Impedance Injector Drivers
  • Nitrous Control
  • Plug and Play Main Harness
  • Free EFI Tuning Software

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Holley EFI 

Terminator X Max Stealth 4150 System

10 Parts

Terminator X Max Stealth 4150 System
  • Bolt On 4150 Flange Carburetor Replacement
  • Supports Up To 650HP With Four 100lb/hr Injectors
  • Includes High Pressure Fuel Crossover Line
  • All Of The Wiring Exits Below The Rear Fuel Injector Cover
  • Timed Spark Part For Easy Access To The Distributor
  • Air Entry Machined Fit Most With Air Cleaner Locator Provisions
  • 58.5 PSI External Fuel Pressure Regulator Required
  • Integrated Ignition Timing Control Improves Idle Stability
  • High Resolution Full Color Touchscreen For Initial Setup
  • Simple Calibration Wizard No Laptop Required
  • OEM Style TPS/IAC For Years Of Dependable Service

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Holley EFI 

Terminator X MPFI System

26 Parts

Terminator X MPFI System
  • Real Time Fuel Map
  • High Impedance Injector Drivers
  • Nitrous Control
  • Plug and Play Main Harness
  • Free EFI Tuning Software

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  • Bolt On 2x4 4150 Flange Carburetor Replacement
  • Supports Up To 1500 Hp Naturally Aspirated Or 1250 Hp Forced Induction
  • Internal 1bar Map Sensor Built Into The Terminator X ECU
  • External Fuel Pressure Regulator Required
  • Integrated Ignition Timing Control
  • High Resolution Full Color Touchscreen For Initial Setup
  • Plug And Play With Holley EFI Accessories
  • Available In 3 Finishes

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Holley EFI 

Terminator X Stealth 4150 System

14 Parts

Terminator X Stealth 4150 System
  • Bolt On 4150 Flange Carburetor Replacement
  • Supports Up To 650HP With Four 100lb/hr Injectors
  • Includes High Pressure Fuel Crossover Line
  • All Of The Wiring Exits Below The Rear Fuel Injector Cover
  • Timed Spark Part For Easy Access To The Distributor
  • Air Entry Machined Fit Most With Air Cleaner Locator Provisions
  • 58.5 PSI External Fuel Pressure Regulator Required
  • Integrated Ignition Timing Control Improves Idle Stability
  • High Resolution Full Color Touchscreen For Initial Setup
  • Simple Calibration Wizard No Laptop Required
  • OEM Style TPS/IAC For Years Of Dependable Service

See All

Holley EFI 

Terminator x Stealth 4500 Kit

2 Parts

Terminator x Stealth 4500 Kit
  • Bolt On 4500 Flange Carburetor Replacement For 2X4 Intake Manifolds
  • Supports Up To 1500 Hp Naturally Aspirated Or 1250 Hp Forced Induction With Eight 100 Lb/Hr Injectors
  • 2.125 in. Throttle Plates; Flow 1440 Cfm Each For Large Cubic Inch Engines
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange Offering A Variety Of Air Cleaner Options
  • External Fuel Pressure Regulator Required; Such As 12-848
  • Throttle Linkage Not Included
  • Each Throttle Body Contains 4X 100Lb/Hr Fuel Injectors
  • Universal Harness Allows You To Easily Install The Terminator X 2X4 4500 System On A Wide Variety Of Engine Combinations
  • High Resolution Full Color Touchscreen For Initial Setup; Tuning; And Gauge Displays
  • Self-Tuning Ecu Means You Dont 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
  • Available In 2 Finishes; Shiny And Black

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Holley EFI 

Terminator X Stealth 4500 System

3 Parts

Terminator X Stealth 4500 System
  • Bolt On 4500 Flange Carburetor Replacement
  • Supports Up To 1250HP With Eight 100lb/hr Injectors
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
  • External Fuel Pressure Regulator Required
  • Integrated Ignition Timing Control
  • High Resolution Full Color Touchscreen For Initial Setup
  • Genuine Bosch LSU 4.9 Wideband Oxygen Sensor
  • Plug And Play With Holley EFI Accessories
  • Available In 2 Finishes Shiny And Black

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Holley EFI 

Terminator® LS MPFI

3 Parts

Terminator® LS MPFI
  • Fully Adjustable Included 3.5 in. Full Color Touchscreen
  • Pre-Calibrated For No Hassel Installation
  • Fully Adjustable
  • Controls Fuel/Spark/Drive-By-Wire

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