SKU: HLY550-1220
UPC: 090127092576
MPN: 550-1220
The Holley Terminator X MPFI Engine Controls system for Ford Modular 2V/4V engines delivers complete fuel injection and ignition management in a compact, integrated package. This modern electronic control solution replaces outdated carburetor systems with precision sequential fuel injection and fully programmable ignition timing, making it the preferred choice for Ford engine swaps, restorations, and high-performance builds seeking reliable, tunable power delivery without the complexity of full engine bay rewiring.
The system includes the ECU (Engine Control Unit), a complete wiring harness pre-terminated for Ford modular engine applications, and an NTK oxygen sensor for closed-loop fuel mixture monitoring. The Terminator X platform supports both naturally aspirated and forced-induction configurations, with real-time tuning capability via USB connection. The wiring harness integration minimizes installation labor and reduces potential connector errors that plague custom fuel injection retrofits. The included oxygen sensor enables adaptive fuel mixture correction, improving fuel economy and emissions control while protecting against lean-condition engine damage during initial startup and tuning phases.
This kit is engineered for engine builders, restoration shops, and enthusiasts converting carbureted Ford modular engines (2-valve or 4-valve cylinder heads) to modern fuel injection. Common applications include 5.0L and 5.4L swaps into classic Ford platforms, street rod builds requiring emissions compliance, and race engines where precise fuel and spark control directly impacts horsepower and reliability. The modular design accommodates the specific intake manifold and sensor mounting patterns of Ford's 2V and 4V modular heads, eliminating adapter guesswork and ensuring sensor packaging that fits within standard engine bay constraints.
Holley's Terminator X platform is recognized in the hot rod and performance engine community for user-friendly tuning software, robust sensor inputs, and proven reliability across thousands of engine swaps. The system logs all critical parameters—fuel pressure, ignition advance, coolant temperature, throttle position—enabling accurate diagnosis and optimization during dyno tuning or street validation.
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