MUSTANG RETURNS TO ROAD-RACING, 5.0-LITER ROOTS WITH MUSTANG GT-R CONCEPT A tribute to 40 years of performance, Mustang GT-R concept celebrates famous "Yellow Mustangs," features 440-horsepower "Cammer" crate engine and athletic handling Retains 85 percent of 2005 Mustang’s body components and reinforced versions of the race-inspired suspension designs. Nearly ready for a variety of race series, or could be offered to weekend warriors as an…