Porsche Weissach 911 SC
In model year 1980, Porsche offered a Weissach special edition version of the 911 SC, named after the town in Germany where Porsche has their research center. Designated M439, it was offered in two colors with the turbo whale tail & front chin spoiler, body color-matched Fuchs alloy wheels and other convenience features as standard. 408 cars were built for North America. In 1982, a Ferry Porsche Edition was made and a total of 200 cars were sold with this cosmetic package.
Source: Wikipedia, 2011