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This kit includes a Bosch 4.2LSU sensor for use with any AEM, Dynojet Wideband Controller, Power Commander Auto-tune, or RSR Plug and Play MaxxECU wiring harnesses.
The 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!
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