Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
FAST single‑sensor Air/Fuel meter provides wideband O2 readings without a laptop and includes internal data logging and a lighted graphical display. Intended for carbureted and EFI engines, the kit ships with a standard‑length harness for cars and offers outputs for external data loggers and digital gauges plus a narrow‑band simulator function so you can feed a factory signal to the engine computer while using the wide‑band sensor for tuning.
FAST Air/Fuel Meter FAST-(1) Sensor
