1969 Mustang Boss 429 - Matching Numbers, fully restored, amazing collectible.

• Year: 1969
• Mileage: 31667
• Primary color: Red
• Transmission type: 4 Speed Manual
• Engine: 429 V8

The Boss 429, also known as the "Boss 9" by enthusiasts, is arguably one of the rarest and most valued muscle cars to date with only 859 made in 1969.

The origin of the Boss 429 came about as a result of NASCAR as Ford was seeking to develop a Hemi engine that could compete with the famed 426 Hemi from Chrysler in NASCAR's Sprint Cup Series.

The Boss 429 engine was derived from the Ford 385 engine and used four-bolt mains, a forged steel crank and forged steel connecting rods. The engine featured aluminum cylinder heads, with a modified Hemi type combustion chamber which Ford called "crescent". These heads used the "dry-deck" method, meaning no head gaskets were used. Each cylinder, oil passage and water passage had an individual "O" ring style seal to seal it tight. The Boss 429 engine used a single Holley four barrel carburetor rated at 735 CFM mounted on an aluminum intake manifold and an hydraulic lifter camshaft.

The battery was repositioned to the trunk and a stiff 3/4" sway bar was added to rear end to improve handling since the car was nose heavy. This was the first Mustang ever fitted with a rear sway bar, and it notably handled much better than other big-block Mustangs of the time, making it a very capable track car. It came fitted with an 8,000rpm tachometer, and AM only radio. In addition, a hole was cut in the hood, and a manually controlled hood scoop was added to these cars. Other features included a front spoiler that was shallower than the Boss 302 spoiler, color keyed dual racing mirrors, and an engine oil cooler. It was also equipped with a 3.91 ratio rear axle with a "Traction-Lock" limited slip differential.

The cars were rated very conservatively at 375HP and 450lbft of torque. Actual output over the years was tested and stated to be well over 500 horsepower. The manufacturers and dealers only listed 375HP because of legal issues and rising insurance costs so customers would be lured into buying these cars without the stiff fees from an insurance company.

Despite the high horsepower and torque ratings, the car was at home in the high RPM range although it is limited to 6,200 RPM, it is said to be able to rev up to 9,000 RPM for extended periods of time, which is impressive given the engines massive 7.0L displacement.

The BOSS 429 featured a toned down exterior, as compared to other Mustangs of the era in that the only external identification of the car were the Boss 429 decals on the front fenders and unique hood scoop which to this day is the largest hood scoop ever used by Ford.

To show just how special these cars were, they were given special NASCAR identification that was placed on the driver's side door. Each car was given a "KK" number which stood for Kar Kraft. KK #1201 was the first Boss 429 and KK #2558 was the last Boss 429 made.

This amazing example is Number KK1988, #787 of the 859 produced and was originally sold to S & C Ford in San Francisco, CA where it remained for 14 years before being sold and moved to Texas. In 2006, it was purchased in Florida and exported to Australia where it was restored with the original engine.

Finished in Candy Apple Red with Black Interior, this beautiful 429 has been fully restored to it's original glory and is an all NUMBERS MATCHING BOSS. Included is a Marti Report, Original Broadcast Sheet, and Dealer Invoice. Additionally, a full picture album with nearly 50 pictures is included showing the amazing restoration.

These cars are true collectibles and an excellent addition to any collection.

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