Porsche 917/004 Up For Sale
One of only 12 Porsche 917s built for John Wyer racing, this car — known as chassis 004/017, as it combines pieces of two vehicles — has been put up for sale by builder and enthusiast Bruce Canepa. Canepa calls it the most complete 917 in existence, and a car whose howling flat-12 engine can still hustle around a track. Read more here.