5.0 · 1 review
SKU: 550-1080

EFI Terminator X Stealth 2x4 4500 Kit - Shiny

$3,750.00
FREE delivery
Description

ABOUT THIS PRODUCT

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!

Product Features:
  • Bolt on 4500 Flange Carburetor Replacement for 2x4 intake manifolds
  • 2.125" Throttle Plates, Flow 1440 CFM each for large cubic inch engines
  • Timing Control support integrated within the ECU using supporting components (distributor, ignition box, or crank trigger)
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • 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
  • 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!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options
  • 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
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • Available in 2 finishes, Shiny and Black
  • External fuel pressure regulator required, such as 12-848
  • Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
  • Throttle Linkage not included
Specifications
Brand
Holley EFI (770)
SKU
550-1080
Product type
Automotive
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Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

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Customer Reviews

5.0

Based on 1 review

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C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

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