This kit includes: - ECU MS42 - Simplified wiring (body side) - Gas pedal Suitable for M52 engines - 150hp 170hp 193hp M52B20 M52B23 M52B28 Custom ECU programming available below. Simplified wiring includes: Ecu plug Gas pedal plug Obd2 plug Out for constant +12V Out for +12V on switch (key position 1) Out for ground (earth ring) Out for RPM gauge Out for alternator lamp Out for oil pressure lamp Out for signal to fuel pump relay Note: Wirings may have differences from the photo shown but same placement.