The Iconic 1966 Ford Mustang Fastback K-Code 4-Speed

The 1966 Ford Mustang Fastback K-Code 4-Speed is a legendary classic car that has captivated car enthusiasts for decades. With its powerful engine, striking design, and impressive performance, this Mustang model has become an icon in the automotive world. In this blog post, we will delve into the fascinating history, notable features and specifications, and the enduring legacy of this remarkable vehicle.


The 1966 Ford Mustang Fastback K-Code 4-Speed is part of the first generation of Mustangs, which were introduced by Ford in 1964. This particular model represents the pinnacle of performance for the Mustang lineup at the time.

The “K-Code” designation refers to the high-performance 289ci HiPo V8 engine that powers this car, making it a sought-after choice among Mustang enthusiasts.

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Features and Specifications


Under the hood, the 1966 Mustang Fastback K-Code is equipped with a formidable K-code 289ci HiPo V8 engine. This powerplant delivers an impressive 271 horsepower and 312 lb-ft of torque. It features a four-barrel carburetor, a chrome air cleaner, and valve covers, showcasing its performance-oriented nature.

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Power is transferred to the rear wheels through a four-speed manual transmission. This setup allows for precise gear changes and enhances the driver’s engagement and control over the vehicle.

The combination of the powerful engine and the manual transmission creates an exhilarating driving experience.


The exterior design of the 1966 Mustang Fastback K-Code is a sight to behold. It is finished in a vibrant Candyapple Red paint, which adds to its allure. The car features iconic styling cues such as driving lights, chrome bumpers, GT badging, and rear quarter louvers. The black side stripes on the lower body and dual exhaust outlets contribute to its sporty and aggressive appearance.

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Step inside the Mustang Fastback K-Code, and you’ll be greeted by a well-appointed interior. The front bucket seats and the contoured rear bench are upholstered in black vinyl, providing a classic and timeless look.

The center console adds convenience, and the wood-rimmed steering wheel adds a touch of elegance. The column-mounted tachometer and analog clock, along with the comprehensive gauge cluster, provide the driver with essential information about the car’s performance.


The combination of the powerful engine and the lightweight body of the Mustang Fastback K-Code translates into impressive performance on the road.

It can accelerate from 0 to 60 mph in around 6 seconds, showcasing its quickness and agility. The unassisted front disc brakes provide reliable stopping power, while the responsive handling ensures an exciting driving experience.


The 1966 Mustang Fastback K-Code 4-Speed has left an indelible mark on the automotive industry. It represents a significant milestone in the Mustang’s evolution and has become a symbol of American muscle cars.

Its timeless design and exhilarating performance continue to inspire car enthusiasts and collectors worldwide.


The 1966 Ford Mustang Fastback K-Code 4-Speed is a true automotive icon. With its powerful engine, striking design, and impressive performance, it embodies the spirit of American muscle cars. Whether cruising down the open road or showcased at car shows, this classic Mustang model never fails to turn heads and evoke a sense of nostalgia.

The Mustang Fastback K-Code is a testament to Ford’s commitment to producing high-performance vehicles that capture the hearts of car enthusiasts.


Is the 1966 Mustang Fastback K-Code a rare car?

Yes, the 1966 Mustang Fastback K-Code is considered rare due to its limited production numbers and high demand among collectors.

How many K-Code Mustangs were produced in 1966?

Exact production figures are not available, but it is estimated that around 5,469 K-Code Mustangs were produced in 1966.

What makes the K-Code engine special?

The K-Code engine was a high-performance variant of the 289ci V8, featuring upgrades such as a solid lifter camshaft, larger valves, and high-flow cylinder heads, resulting in increased power and performance.

Can the Mustang Fastback K-Code be used as a daily driver?

While the Mustang Fastback K-Code can be driven regularly, it is often preserved as a collector’s item due to its historical significance and desirability.

Are original documentation and provenance important for the value of the car?

Yes, having original documentation, including the warranty number, build sheet, and provenance, can significantly enhance the value and authenticity of the Mustang Fastback K-Code.

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