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This remarkable 1969 Ford Mustang Boss 429 Fastback, identified by its Kar Kraft (KK) number 1238, represents an exceptionally early production example of this legendary muscle car. As the 38th Boss 429 built and the 23rd released to the public, it holds a significant place in Mustang history. Adding to its unique provenance, this Boss 429 is purportedly the very first one finished in the striking Candyapple Red exterior color. Scheduled to cross the auction block at Indy 2025 on Friday, May 16th, this meticulously restored piece of Ford performance history awaits its next discerning owner.
Hand-Built Powerhouse: According to renowned Boss 429 expert Ed Meyer, the initial batch of approximately 50 Boss 429s are considered hand-built “prototypes,” showcasing unique features in their engine setups. This early model, KK #1238, embodies Kar Kraft’s initial efforts in adapting the race-oriented Boss 429 engine for series production, an entirely new and formidable power plant. The 429 cubic inch 820-S engine in this example is rated at 375 horsepower and features hand-assembled cylinder heads, a Holley four-barrel carburetor, and a specially-designed intake manifold, all contributing to its legendary performance. The engine was recently refreshed in 2024, ensuring it performs as impressively as it looks.
Four-Speed Fury and Traction: Mated to this potent V8 is a close-ratio four-speed manual transmission, providing the driver with complete control over the Boss 429’s formidable power. The power is then channeled to the rear wheels through a 3.91 Traction-Lok differential, ensuring optimal grip and explosive acceleration, a hallmark of the Boss 429’s drag racing aspirations.
Candyapple Red Distinction: Finished in the eye-catching Candyapple Red, this Boss 429 is believed to be the first example to receive this vibrant color from the factory, further enhancing its rarity and desirability. The iconic fastback body style, synonymous with high-performance Mustangs, is presented in its full glory thanks to a comprehensive rotisserie restoration completed in 2008 by Randy Roberts of Muscle Car Restoration in Claremore, Oklahoma.
Performance-Oriented Equipment: True to its performance mission, this Boss 429 is equipped with a competition suspension, designed to provide optimal handling and stability at high speeds. A functional front spoiler further enhances aerodynamics. Power steering and power disc brakes with front discs ensure confident control and stopping power. Inside, the Deluxe Interior Decor group adds a touch of refinement to the purposeful bucket seats and center console. Deluxe belts with a warning light, color-keyed racing mirrors, and a visibility group are also present. The car rides on iconic Magnum 500 wheels wrapped in Goodyear Polyglas tires, completing the classic muscle car look.
Documented Pedigree: This exceptional Boss 429 comes with valuable documentation, including a Marti Report, judging sheets from its restoration, and restoration records, all attesting to its authenticity and meticulous restoration. A recent inspection by Boss 429 expert Ed Meyer further validates its significance and unique early production features. Originally shipped to Tasca Ford in East Providence, Rhode Island, a dealership renowned for its involvement in high-performance Fords, this Boss 429 has a well-documented and fascinating history.
Summary:
- Very early production 1969 Ford Mustang Boss 429 Fastback (KK #1238)
- Purportedly the first Boss 429 finished in Candyapple Red
- 429/375 HP 820-S engine (refreshed in 2024)
- Hand-assembled cylinder heads and unique early engine features
- Holley four-barrel carburetor and specially-designed intake manifold
- Close-ratio four-speed manual transmission
- 3.91 Traction-Lok differential
- Rotisserie restoration completed in 2008
- Competition suspension and functional front spoiler
- Deluxe Interior Decor group with bucket seats and center console
- Includes Marti Report, judging sheets, and restoration records
Disclaimer: Information provided is based on available documentation and expert opinions. Potential buyers are advised to conduct their own thorough inspection and verification of this historically significant vehicle.
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