This new book by Kevin Marti features details never before published about various tags used on 65-73 Mustangs and Cougars. Kevin Marti at Marti Auto Works has been researching this subject for over 20 years. This is a complete guide to decoding the engine, transmission, carburetor, steering box, power steering pump, axle, radiator, buck, VIN, ownercard and door data tags on your car. Detailed pictures showing actual tags and noting running production changes and assembly plant differences. Accurate charts that show third digit on some trim codes, how to decipher the date codes on various tags, and so much more. Valuable for restoration or authentication, it is possible with this one book to establish whether major items on a Mustang or Cougar are "numbers matching."