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HKS Wideband A/F Knock Amp V3

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HKS AFK Air/Fuel & Knock Monitor (44006-AK004)

HKS has released the 3rd generation AFK. The combined Air/Fuel and Knock monitor gives you the ability to monitor your A/F ratio as well as any knock that is occurring. By combining the new HKS AFK with a stand-alone engine management systems like the HKS F-Con V Pro, air/fuel ratios and knock retard can be controlled.

HKS AFK Monitor:

  • Up to two A/F sensors can be used together to measure multiple cylinders or banks of cylinders.
  • Includes LCD display/controller, Bosch A/F sensor, and knock sensor. Designed to work with other HKS electronics such as the EVC.

New digital filter helps reduce knock sensor interference from engine vibration.

Required Parts / Replacement Parts:

HKS A/F and Knock Sensor: 44999-AK022

HKS A/F Sensor Harness: 44999-AK023

HKS Knock Sensor Harness: 44999-AK024



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