The 1971 Ford Mustang Boss 351 Fastback remains a highly coveted machine, representing the only year Ford ever produced this specific model. With only 1,806 units built, its rarity in the muscle car world is firmly established. This particular example has undergone a comprehensive and correct restoration to maintain its aggressive factory presence. It features a striking Light Pewter Metallic exterior, a color that perfectly suits the “flatback” styling of the era. Originally sold at Marv Tonkin Ford in Oregon, this Texas-based car carries an air of authenticity. It successfully bridges the gap between a high-end show car and a mechanical powerhouse. Every detail, from the functional ram air assembly to the detailed trunk, reflects a commitment to quality. The car is scheduled to cross the block at the Kissimmee 2026 auction on Thursday, January 8th. For enthusiasts of the blue oval, this Lot E159 is a centerpiece-worthy acquisition.
The exterior of this 1971 Ford Mustang Boss 351 Fastback is a masterclass in early seventies muscle car design. The Light Pewter Metallic paint is accented by the correct Boss 351 blackout treatment on the hood and lower body. Chrome bumpers and trim have been refreshed to a mirror-like shine across the wide, imposing bodywork. Furthermore, the functional ram air assembly sits ready to feed the high-performance engine beneath the long hood. Detailed trunk components include the correct space saver spare tire, which is a rare find for these models today. Tin Man subframe connectors were added to improve structural rigidity during high-performance maneuvers on the road. This modification is subtle but essential for handling the increased torque of the upgraded powerplant. Every panel gap and finish suggests a restoration that was performed with a deep respect for the original design. It captures the intimidating look that made the 1971 Mustang a legend.
Mach 1 Interior and Python Restored Safety Gear
The cabin of this 1971 Ford Mustang Boss 351 Fastback features the desirable factory Mach 1 interior in a Black and Gray theme. Every soft surface has been upgraded using TMI reproduction seat covers, fresh seat foam, and a new headliner. To ensure longevity, the seat tracks and springs were media blasted and repainted before the final assembly. Python Restorations handled the seatbelts and shoulder harnesses, utilizing the original hardware to maintain a factory feel. A recently restored AM/FM radio with a functional 8-track deck provides a nostalgic soundtrack for every drive. The driver interacts with a rechromed Hurst shifter, which is linked to a legendary Toploader gearbox. This interior provides a perfect balance of vintage charm and refreshed comfort for the next owner. It is a space that feels brand new yet remains completely faithful to the 1971 configuration. Every gauge and switch reflects the low-mileage character suggested by the 4,257-mile odometer reading.
408 CI Stroker V-8 Performance and Toploader Specs
Mechanical performance is where this 1971 Ford Mustang Boss 351 Fastback truly stands apart from its peers. The original D0AE-L casted block was recently built to 408 stroker specifications, then blueprinted and balanced for precision. It features correct D1AE-GA 4V closed chamber heads that have received a professional three-angle valve job. Fuel is delivered through a Holley 4698 carburetor, ensuring crisp throttle response throughout the entire rev range. Power is managed by an original Toploader 4-speed manual transmission, rebuilt by the experts at David Kee. The 9-inch Traction-Lok rear axle houses 3.91 gears, which were refurbished by Twisted Axle for maximum durability. Power steering makes the large fastback surprisingly manageable during tight city maneuvers or parking. This combination of classic looks and stroker power makes it a formidable contender on any asphalt surface. It is a drivetrain built for the driver who demands more than just factory-rated speed.
1971 Ford Mustang Boss 351 Fastback Summary
The 1971 Ford Mustang Boss 351 Fastback is an incredible survivor of Ford’s final high-performance push of the classic era. This build stands out due to its professional 408 CI stroker engine and high-quality restoration work. The inclusion of a Deluxe Marti Report provides the historical documentation needed to confirm its elite 1-of-1,806 status. Every component, from the David Kee transmission to the Python-restored seatbelts, reflects an obsessive attention to detail. It offers the perfect mix of rare factory heritage and modern mechanical reliability. As a one-year-only production car, its value in the collector market continues to show strong appreciation. Whether you are looking for a weekend cruiser or a serious investment piece, this Boss 351 delivers. Its presence on the Kissimmee auction block is sure to generate significant interest from Mopar and Ford fans alike. This Mustang is a rare opportunity to own a perfected version of a muscle car icon.
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Source: mecum.com
