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    550-1080 Holley Stealth Terminator
    Holley Terminator X Stealth 4500 2x4 - 8 Injector - 800-1500 HP

    Thumbnail Filmstrip of Holley Terminator X Stealth 4500 2x4 - 8 Injector - 800-1500 HP Images

      Purchase Holley Terminator X Stealth 4500 2x4 - 8 Injector - 800-1500 HP

      SKU: HLY-550-1080
      Holley 550-1080 Stealth black Terminator - 2x 4500



      550-1080 The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car!


      • 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” 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 engine harness allows you to easily install the Terminator X 2x4 4500 system on a wide variety of engine combinations
      • Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
      • 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!
      • 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 2 finishes, Shiny and Black