First Generation Mustang K Code History

first generation Mustang K Code

How rare are the first generation Ford Mustang K Code Pony cars? While real K Code Mustangs are highly sought after by Mustang collectors, they are hard to find with the right tags and number codes. Of all the Mustangs produced by Ford Motor Company in 1965 and 1966, less than one percent were K Code cars.

A Texas collector has just posted a real K Code 1966 Mustang GT Fastback for sale this week. He has done a yoeman’s job in showing potential buyers the correct tags and codes to look for in his Slideshow photos. A buyer must be careful because there are a lot of cars on the market which have some K Code parts but are not real cars. Take a minute to learn what you need to know in buying a real first generation K Code Mustang. (View the Slideshow ad here.)

Ford made K Code Mustangs available to Shelby American where Carroll Shelby built his legendary Shelby Mustangs. He would take a K Code Mustang with the factory HiPo 289 factory rated at 271 horsepower, and tweak them to up to 310 horsepower for his Shelby Mustangs. In 1965, all the K Codes were 4-speed cars. They had quicker steering than the regular Mustangs plus heavy-duty suspension and a 9-inch rear end. Remember, Carroll Shelby was building his Mustangs mainly for race competition.

These cars were shipped to Shelby and were called “knock-down” cars. Someone chalked “KD” on the radiator core support. That meant these cars would be shipped only partially completed from Ford. The hoods and latching mechanisms, grille bars with Mustang emblem and corral, rear seats and all Ford emblems were never installed on the K Codes meant for Shelby American.

More on this special K Code GT Fastback is available at the owner’s website: It is thought to have been a California car all its life with original DSO from Los Angeles.

But any knowledgable buyer could have ordered a K Code Mustang from a Ford dealer.
In 1964 a Mustang Convertible specially equipped with a K Code engine paced the Indy 500 race. These motors were so fast that they put them in the 289 Cobra and the original Ford GT40 that won the 24 Hours of Le Mans numerous times. It was also in the Daytona Coupes that won the Manufacturers Championship on July 4th, 1965 at Reims France to beat Ferrari.

The seller tells us, “To me the most important thing when buying a significant car like a K Code are the date codes on it to prove it has original parts. There are a great number of cars out there that are made up from reproduction parts. As you can see, that is not the case on this car. Almost every piece on this car is date coded; even the most obscure.”

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