This kit includes a Bosch 4.2LSU sensor for use with any AEM or Dynojet Wideband Controller or Gauge.
Bosch 4.2LSU sensor, which gives AEM Wideband controllers their speed
and accuracy, is laboratory calibrated at the factory and never requires
free air calibration when used with an AEM controller!
- No free air calibration required - ever
- Accurate to 0.1 AFR