Mustang were three speed manual, four speed manual, or automatic with the latter being the most popular. For the 67 model year, minor body style changes distinguished the car from its predecessors. The body grew three inches wider allowing for a big block V8. In 1968 Ford added side marker lights. There were over two million Mustangs sold between 1964 and 1968.
Parts are easily obtainable.
After market companies offer fenders, hoods, interior kits, mechanical parts and almost anything you might need. Mustang was originally offered by Ford with a variety of options. A discriminating buyer could outfit his car as anything from a stylish, well built transportation car to a nimble, high powered racer. 68 Cobra Jet with a 428 Ram Air engine. Your choice of a car will depend upon your budget and intended use.