Haltech Elite 550 Universal ECU w/Plug & Pin Set

If you're building a custom engine or significantly modifying an existing one, getting the fuel and ignition timing dialed in is critical for performance and reliability. The Haltech Elite 550 is a powerful, yet user-friendly, engine control unit designed to give you precise command over your engine's operation. This universal ECU is built for tuners and builders who need a flexible platform to manage everything from fuel injection and ignition timing to advanced features like boost control and nitrous injection.

This ECU is well-built with a robust aluminum casing to handle the heat and vibration found in an engine bay. It features 4 injector outputs and 4 ignition outputs, making it suitable for a wide range of 4-cylinder engines, or even some 2-cylinder applications. The Elite 550 connects to your engine's sensors and actuators via a waterproof 34-pin connector, ensuring reliable connections even in harsh conditions. It comes with a comprehensive plug and pin set, so you have everything you need to wire it into your custom setup. The included software allows for extensive tuning capabilities, letting you map out fuel and ignition curves to optimize your engine's power delivery and efficiency. While it offers advanced features, the software is designed to be intuitive, making it accessible for those new to standalone engine management.

Keep in mind that this ECU is not CARB approved and cannot be shipped to California. For optimal performance and to ensure proper operation, it's recommended to consult with a professional tuner or have a solid understanding of engine management systems before installation. Proper wiring and setup are crucial for the ECU to function correctly and safely.