The Edelbrock 36020 Pro - Tuner EFI Pressure Sensors are intended to be used with Edelbrock's Pro - Tuner EFI system, but may be used with other systems using the supplied connector and wiring. They are configurable to most aftermarket ECUs. If you are using another aftermarket ECU, check the sensor's specifications with the manufacturer of your ECU. The brass body of these sensors features a 18 pipe thread (18 - 27 NPT) and pre - applied thread sealant.