BOV GenV ProPort Sensor Cap Upgrade Black TS-0208-9002The Gen V Pro Port 'Sensor Cap' allows you to monitor blow off valve (BOV) position for diagnostic or tuning purposes, a true unique solution and first of it's kind on the market. If you are using BOV for traction torque control, knowing how far it's open is paramount to providing insight to further optimise the calibration process. Aside from a calibration benefit, if you have any doubt that the BOV is not staying closed when it should be, check the