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Elite 550 ecu bare unit.
 
The Elite 550 is a simple yet powerful ECU ideal for basic 4 to 8-cylinder or 1-2-rotor engine applications. Suitable for either naturally aspirated or forced induction engines the Elite 550 gives you full control over fuel delivery, ignition timing and boost levels. This robust, competitively priced ECU features an environmentally sealed, waterproof case, 4 fuel and 4 ignition channels and a 4 BAR internal MAP sensor.

The Elite 550 ECU is now paired with the new Nexus Software Programmer (NSP) that brings levels of functionality and user-friendliness never seen before in an engine control package. Together they offer true cutting-edge technology to tuners and performance enthusiasts worldwide. 
 
Supports 1 to 8 Cylinder engines 
1 to 2 Rotor engines 
Normally aspirated or forced induction 
Load sensing by Throttle Position (TPS), Manifold Absolute Pressure (MAP) or Mass Air Flow (MAF) 
Sequential, semi-sequential, batch or multipoint injection patterns 
Ignition modes include Direct fire multi-coil, Distributor ignition, or Haltech CDI systems 
Connect to a wide range of Dashes, displays and expansion devices via CAN. 
Waterproof case (IP67) (with USB cover fitted) 
34 position AMP connector 
4 x Fuel Injection Outputs (peak and hold (0-8A peak / 0-2A hold) 
4 x Ignition Outputs 
2 x Dedicated Engine Position inputs with extensive trigger type support 
1 x Digital Pulsed Input 
5 x Digital Pulsed Outputs 
1 x Analogue Voltage Input 
3 x Dedicated Inputs (Throttle Position, Coolant Temperature & Air Temperature) 
Internal 4 Bar MAP sensor measuring up to 300kPa/3Bar/45psi of boost pressure. 
Up to 33 channels of Input & Output (I/O) expansion (via CAN) 
USB Laptop Communication (Windows) 
Now using the new NSP Calibration Software