PRO-M Mass Air Meter Black 75MM Standard Calibration For 19LB Injectors 5.0L 1989-1993Having a properly calibrated mass air meter is one of the most important factors when modifying your car. The meter should be calibrated to match the flow rating of the fuel injectors, in conjunction with the PCM (engine computer) being used for the given application. A properly calibrated MAF meter ensures that the PCM receives a correct signal throughout the engine's entire operating range, resulting in a proper air/fuel mixture, maximum horsepower, excellent drivability, and maximum fuel economy.
*Injectors sold separately.
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