knock Description Knock Sensor Availability Available Store price: € 60.00Internet price: € 60.00 Recommended products SuperTech Springs 95lbs K20/F20 SuperTech Springs 95lbs K20/F20 Chrono Connector Chrono Connector Grams Performance 2200cc For Honda F20 & B16/18/20 Grams Performance 2200cc For Honda F20 & B16/18/20