Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
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Holley EFI Terminator X Stealth 4500 - Shiny

Type: EFI System

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Regular price $2,849.95
$3,206.95 Sale price $2,849.95 Regular price
-11%
Shipping calculated at checkout.

The Terminator X Stealth 4500 EFI system 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!

Features:

  • Bolt on 4500 Flange Carburetor Replacement
  • 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 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
  • 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!
  • OEM Style TPS/IAC, for years of dependable service.
  • Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
  • Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th – ΒΌ and 3/16ths)
  • Boosted applications, you can disable the internal MAP sensor, and utilize an external MAP Sensor, the harness comes with the connector terminated, making the install
  • 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

Specs:

  • Accelerometer Support: Yes
  • Boost Control: Yes
  • Brand: Holley EFI
  • CAN-BUS Support: Yes
  • Category: Air and Fuel Delivery
  • CFM: 1440
  • Coil Per Cylinder Ignition Support: Yes
  • Color: Shiny
  • Datalogging Support: Yes
  • Distributor Included: No
  • Dry Nitrous Control: Yes
  • e85 Support: No
  • EGT Support: Yes
  • Emission Code: 3
  • Finish: Shiny
  • Flange Size: 4500
  • Flange Style: Dominator
  • Forced Induction Support: Yes
  • Fuel Filter Included: No
  • Fuel Hose Included: No
  • Fuel Injectors Included: Yes
  • Fuel Pressure: 58.5 PSI
  • Fuel Pressure Regulator Included: No
  • Fuel Pump Included: No
  • Grade Type: Performance
  • Handheld Included: Yes
  • Idle Air Control Motor Included: No
  • Ignition Timing Control: Yes
  • Ignition Type: Universal
  • Individual Cylinder Fuel Corrections: No
  • Injector Size: 100 lb/hr @ 58.5 PSI
  • Inlet / Outlet Size: 8AN
  • Intake Manifold Included: No
  • Knock Retard Support: Yes
  • MAP Sensor: 1bar
  • Max Horsepower Rating: 1500
  • Mounting Hardware Included: No
  • Multi-Stage Nitrous Control: Yes
  • Part Type: Fuel Injection System
  • Product Type: EFI System
  • Progressive Nitrous Control: Yes
  • Self-Tuning: Yes
  • Sub Category: Fuel Injection System and Related Components
  • Terminator LS Options: Fuel, Spark
  • Throttle Bore: 2.125 in.
  • Throttle Position Sensor Included: Yes
  • Transmission: N/A
  • User-Tuneable: Yes

Tech Resources:

Instructions - 199r11990.pdf

Instructions - 199r11967.pdf

SKU:
550-1070
Availability:
In stock
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Category:

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Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.

Important Notices
  • Off‑Road Use Only
    Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply.
  • Check Local Laws
    Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area.
  • Professional Installation Recommended
    These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions.
  • Warranty Impact
    Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation.
  • Limitation of Liability
    JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products.
  • Product Images
    Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements.
  • No Performance Guarantees
    While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.


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Holley EFI Terminator X Stealth 4500 - Shiny
Holley EFI Terminator X Stealth 4500 - Shiny
Regular price $2,849.95
$3,206.95 Sale price $2,849.95 Regular price