Founded in 1985, CJ Pony Parts is one of the largest and oldest Ford Mustang retailers in the world with more than 50,000 Mustang parts currently available. CJ Pony Parts operates a 36,000 square foot warehouse in Harrisburg, Pennsylvania and sells parts for practically every Mustang ever made, from the first 1964.5 Mustang off of the assembly line, to the newest 2014 Ford Mustang that's just arriving on dealership lots.