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 engines1 to 2 Rotor enginesNormally aspirated or forced inductionLoad sensing by Throttle Position (TPS), Manifold Absolute Pressure (MAP) or Mass Air Flow (MAF)Sequential, semi-sequential, batch or multipoint injection patternsIgnition modes include Direct fire multi-coil, Distributor Ignition, or Haltech CDI systemsConnect to a wide range of Dashes, displays and expansion devices via CAN.Waterproof case (IP67) (with USB cover fitted)34 position AMP connector4 x Fuel Injection Outputs (peak and hold (0-8A peak / 0-2A hold)4 x Ignition Outputs2 x Dedicated Engine Position inputs with extensive trigger type support1 x Digital Pulsed Input5 x Digital Pulsed Outputs1 x Analogue Voltage Input3 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 Superseal connector34 Pin (Key 1) Plug and Pins Includes: 1 x Elite 550 ECU + Plug and Pins to suit