You dont find many spare wheels like this anymore. Â All the Porsche enthusiasts have been hoarding this stuff for years. Â The Porsche Carrera 2 used a special 4 cam performance engine. Â It seems the Porsche Factory created special wheels for this model with thicker wheel centers to match. Â It even has the correct original parts sticker and stampings that corresponds to the Porsche Factory Service Bulletin.