1965 Ford Mustang Fastback - Early Production 1964 Build
- Title Status:
- Clean
- Location:
- Pomona, California
- Year:
- 1965
- Make:
- Ford
- Model:
- Mustang Fastback
- Color:
- Black
- Engine:
- 289
- Transmission:
- manual
- Mileage:
- 500 miles
- VIN:
- 5R09F178789
Video Gallery
Description
1965 Ford Mustang Fastback 2+2 - Early Production San Jose Build
For sale is a genuine 1965 Ford Mustang Fastback 2+2 — one of the earliest Fastbacks ever produced and a true piece of American automotive history. The VIN has been fully decoded and tells a compelling story about this car's origins.
- Rebuilt 289ci V8 (Sept 2024) with new pistons and rings
- Rebuilt 4-speed manual + replacement clutch
- Recent repaint in Raven Black (A) with refreshed brightwork
- Front disc brake conversion, GT-style dual exhaust, and 15” Magnum 500-style wheels

Highlights include installation of a rebuilt 289ci V8, a rebuilt four-speed manual, a recent exterior repaint, refreshed interior details, and key upgrades like front disc brakes and a GT-style dual exhaust system. This Mustang is now offered with a clean California title in the seller’s name.

Exterior & Presentation

Wheels, Tires, Suspension & Brakes
Interior & Driver Experience

Engine & Underhood Details
Breaking Down the VIN
5R09F178789: Every digit of a 1965 Mustang's VIN is a window into the car's factory origins, and this one is particularly interesting. The first digit, "5," confirms this as a 1965 model year Mustang — though as early-production Mustang enthusiasts know, Ford's model year designation began in mid-1964, meaning the earliest "1965" cars were rolling off the line in the summer and fall of 1964. The second digit, "R," identifies the San Jose, California assembly plant as the birthplace of this car. Ford operated three Mustang assembly plants during this era — Dearborn (Michigan), Metuchen (New Jersey), and San Jose — making plant-specific cars desirable to collectors who prize regional provenance. Digits three and four, "09," are among the most exciting details in this VIN. The code 09 designates the Fastback (2+2) body style — the sporty, sloping roofline that became one of the most iconic silhouettes of the muscle car era. Critically, the Fastback body style didn't enter production until August 1964, making all 1965 Fastbacks early and significant builds. This car is the real deal. The fifth digit, "F," identifies the original factory engine as the 260 cubic inch V8 with a 2-barrel carburetor, rated at approximately 164 horsepower. This is an especially noteworthy detail for historians and collectors: the 260 V8 was an early-production-only engine that was phased out and replaced by the 289 V8 relatively quickly during the 1965 model run. A Fastback wearing the F engine code is a strong indicator that this is a very early 1965 — what enthusiasts often call a "1964½" — Mustang. Finding a Fastback with this engine code is uncommon, as the Fastback body itself only came out in August 1964 right as the 260 was being wound down. The final six digits, "178789," represent the sequential production number at the San Jose plant. San Jose's 1965 production numbers began at 125,001, placing this car as approximately the 53,788th unit off the San Jose line — solidly in the earlier portion of that plant's 1965 run, fully consistent with the early-build F-code engine. Why This Matters: This VIN combination — a San Jose-built, F-code 260 V8 Fastback — represents a narrow and historically significant window in Mustang production history. The Fastback body was brand new, the 260 engine was on its way out, and Ford was in the middle of one of the most explosive automotive launches in American history. This car was built right in the heart of that moment. To fully authenticate the car's original color, interior trim, transmission, axle ratio, and build date, the Data Plate located on the driver's side door jamb should be referenced — it contains the complete factory build sheet information that complements what the VIN tells us. Whether you're a serious Mustang collector, a restorer looking for an early Fastback project, or simply a fan of genuine, documented American muscle, this car represents a rare opportunity to own a piece of Mustang history with a VIN that speaks for itself. VIN Summary:
Model Year: 1965 Assembly Plant: San Jose, California Body Style: Fastback 2+2 Original Engine: 260 CID V8, 2-barrel, ~164 HP (early-production F-code) Production Sequence: Unit #78,789 at San Jose
