SKU: HLY550-606N
UPC: 090127687499
MPN: 550-606N
The Holley HP ECU & Harness for Ford MPFI with NTK oxygen sensor represents a complete engine management solution for Ford multi-port fuel injection platforms. This kit is engineered for builders, technicians, and performance enthusiasts who demand precise fuel control and reliable ignition timing across a wide operating range. Whether you're tuning a street application or managing complex engine parameters under demanding conditions, this factory-grade engine control module eliminates guesswork and delivers repeatable results through integrated oxygen sensor feedback.
The HP ECU & Harness integrates a high-performance engine control unit with a complete wiring harness specifically designed for Ford MPFI applications, coupled with an NTK oxygen sensor for closed-loop fuel mixture monitoring. The modular harness design simplifies installation by pre-routing circuits for fuel injectors, ignition triggers, and sensor inputs, while the NTK oxygen sensor provides real-time feedback that allows the ECU to continuously adjust fuel delivery for optimal combustion efficiency and emissions compliance. Engineered to withstand underhood heat and vibration, the harness features quality connectors and shielded sensor lines that minimize electrical noise and ensure stable operation even in high-performance scenarios with aggressive ignition curves or variable load conditions.
Technicians and engine builders working on Ford multi-port fuel injection platforms will find this complete kit significantly reduces installation time compared to sourcing harness components separately. The system is compatible with Ford MPFI engines and benefits from Holley's tuning software ecosystem, enabling fine-tuning of fuel tables, spark advance, and idle parameters without requiring external stand-alone ECU knowledge. Dimensions of 11.4 x 7.9 x 12.4 inches accommodate standard underhood mounting locations, while the 11-pound package weight reflects the robust construction of the ECU housing and fully-terminated harness assembly, ensuring durability in competitive or street-driven applications.
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