GENUINE HONDA KNOCK SENSOR S2000 2006-2011 F20C - OEM 30530-PRC-003Genuine Honda Knock Sensor. These play an important role and detect knock, therefore it's crucial this sensor is in good condition and good working order on your project. Replace yours with this Genuine Honda part. Expect unrivalled Japanese quality and a first time fit for the application. Sourced directly from Japan. Torque specification 23 lbfft Honda OEM: 30530 PRC 003 Applications Honda S2000 06 10 Model years only.