One of the rarest GTOs of the muscle car era, this 1973 Pontiac GTO Sport Coupe is a numbers-matching example that underwent a meticulous 26-year Frame-Off, Nut-and-Bolt restoration. Finished in Black with a Black Cordova vinyl top over a Black interior, it is powered by its original 400ci V8 paired with a Turbo Hydra-Matic Automatic transmission and a 3.23:1 rear axle. Showing 84,005 exempt miles, this professionally restored GTO combines factory originality with carefully selected performance upgrades while remaining true to its heritage. With only 282 Sport Coupes produced in this configuration, it represents an exceptionally rare opportunity to own one of Pontiac's most exclusive GTOs.

Exterior
* Black exterior finish
* Black Cordova vinyl top
* Rally II wheels
* Sport mirrors
* Tinted glass
* Brightwork restored

Interior
* Black bench seat interior
* Rally gauges
* Factory tachometer
* AM/FM radio
* Rear speaker
* Air conditioning
* Lamp group
* Vinyl trim

Mechanical
* Numbers-Matching 400ci 4BBL V8
* Turbo Hydra-Matic Automatic
* Rear-wheel drive
* 3.23:1 rear axle
* Power steering
* Power front disc brakes

Modifications
* Engine bored .030 over
* Crane camshaft
* 10.5:1 compression
* Edelbrock intake manifold
* PerTronix electronic ignition

Maintenance & Vehicle History
This GTO received a comprehensive Frame-Off, Nut-and-Bolt restoration completed over a 26-year period by its longtime owner, who rebuilt the driveline and restored the electrical, mechanical, cosmetic and interior components to a high standard. The original numbers-matching 400ci YS engine was professionally overhauled .030 over and upgraded with 10.5:1 compression, a Crane camshaft, Edelbrock intake manifold and PerTronix electronic ignition while retaining its original character. Originally sold new in Williamsburg, Kentucky, the car spent many years stored and maintained in South Florida. According to the documentation provided, only 4,806 GTOs were built for 1973, with just 282 Sport Coupes produced in this factory color and equipment combination, making this one of the rarest 1973 GTO configurations. Located in Milford, CT.

 
 
❤️ From the Seller:
OPTIONS
*GTO OPTION *TINTED GLASS *CORDOVA TOP *POWER STEERING
*POWER DISC BRAKES *AM /FM RADIO *DECOR GROUP *PROTECTIVE GROUP *VINYL TRIM *AIR CONDITIONING *SPORT MIRRORS
*TURBO AUTO TRANS *RALLY 2 RIMS *REAR SPEAKER *RALLY GAUGES & TACH *LAMP GROUP
 
SERIAL NUMBER BREAKDOWN
2D37T3P267511
2-PONTIAC D37-LEMANS SPORT COUPE T-400 V8 3-1973
P-PONTIAC PLANT 267511 SEQUENCE
 
COWL TAG
ST73 2AD37-1973 LEMANS SPORT COUPE PON499298
PLANT # TR276 - BLACK BENCH PNT-19-19-BLACK
03C-BUILT 3RD WEEK OF MARCH A52-SEAT TRIM
 
RESTORATION
FRAME-OFF RESTORATION. COMPLETE NUTS AND BOLT RESTORATION RATED 9/10 QUALITY.
COMPLETE DRIVELINE REBUILD. ALL ELECTRICAL AND MECHANICAL PERFECTION (BRIGHTWORK PERFECT) INTERIOR 10/10
ORIGINAL MOTOR 400 YS WAS OVERHAULED 30 OVER 62. HEADS 10.5 TO 1 COMPRESSION. CRANE CAM.
EDELLBROOK INTAKE. PERTRONIX IGNITION.
26 YEARS TO COMPLETE PROFESSIONALLY. POWERFUL
 
HISTORY
ORIGINAL 1973 PONTIAC GTO WAS BOUGHT NEW IN WILLIAMSBURG, KY.
OWNED BY THE LAST OWNER FOR 26 YEARS.
STORED AND MAINTAINED IN SOUTH FLORIDA.
ONLY 4806 GTO BUILT IN 1973 AND ONLY 282 SPORT COUPES IN THIS COMBO.
ONLY A HANDFUL OF BLACK GTOARE AROUND AND NONE THIS WELL RESTORED.

🧠 Did you know?
In 1973, the Pontiac GTO became the rarest classic “Goat” of them all, with just 4,806 examples built as a performance option on the redesigned LeMans Colonnade body. Its distinctive hood featured functional-looking NACA ducts intended for ram-air induction, yet federal noise rules forced them to remain purely ornamental—only about ten dealer-installed kits ever made them work. A potent Super Duty 455 had been promised and even named a magazine’s performance car of the year after testers drove a prototype, but that engine never reached production GTOs, leaving buyers with a refined, best-handling version yet of the legend, powered by a 230-hp 400 or optional 250-hp 455 V8.

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