Black Valve Stem (ball valve) compatible with Huf/BHSens TPMS found in most Audi, Mercedes Benz, BMW, Porsche and others.
Black
If installing GEN2 RDV021 valve: The valve nut has an internal washer that breaks away when 12in.lbs. of torque is achieved. Once the internal washer breaks away, the valve sleeve can be tightened down to its proper torque spec.
**Huf, Schrader, and major organizations including the Tire Industry Association, recommend the TPMS service kit be replaced every time a tire is serviced..
