The PE3-8400A is a compact standalone engine control unit in an aluminum enclosure for configurable engine management in custom and competition applications. Core capabilities Programmable engine-management functions through PE3 calibration software Configurable inputs and outputs for a properly engineered vehicle system Compact aluminum enclosure for protected interior or vehicle mounting locations Suitable for custom builds where the installer defines the wiring, sensors and calibration Before ordering Confirm that the controller requirements match the engine and vehicle system. A compatible harness, connectors, sensors and calibration equipment may be required separately. Installation and calibration should follow the current Performance Electronics documentation. This is a technical engine-management component. Correct system design, wiring and calibration are essential.