To decrease time in the pits and maximize the time on track, the GT3 cup cars came equipped with high tech center lock wheels to allow for quick wheel and tire removal during pit stops. Now you can achieve the exact look and feel with any of your factory Porsche and most aftermarket wheels. These beautifully CNC machined aluminum center caps will really set your wheels apart from the competition and give your wheels that Factory Cup Car styling for a fraction of the cost. This very unique three piece design bolts to your wheels from the inside making them impossible to become victims of theft, compared to the unsecured factory snap on units. Supplied in your choice of silver or black anodized finishes and come in sets of four.