Product Outline

  • High precision measurement of air/fuel ratio is possible with Bosch A/F sensor included in this product.
  • Monitor knock through headphones to aid setup of fuelling/ignition with F-CON V Pro or a similar device.
  • Knock level threshold can be set and shown in the display by setting knocking conditions.
  • The air-fuel ratio and knock level can be output as voltage signals. Connecting the A/F Knock Amp to an F-CON unit allows controlling the air-fuel ratio feedback, knock retard, etc.

HKS A/F Knock Amp

Additional Oxygen Sensor w/ harness
  • Features

    • Two A/F sensors can be used together. (Bosch A/F sensor is included.) 1 main unit can measure 2 different A/F values of the V-bank engine or multi-cylinder engine using 2 sensors.
    • The product consists of 2 units, a color LCD display/controller and amplifier. The design style is consistent with other HKS electrical parts such as EVC, etc.
    • Digital filter is implemented for knocking sensor signal process. This filter seperates other noises such as engine vibration for improved knock detection.
  • Item only comes with (1) oxygen sensor. Secondary oxygen sensor is available for purchase. 

25911 104th Ave SE Kent, WA 98030

Contact: 253.872.0872

Fax: 253.872.0778

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