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This rare and unique automobile is one of only 731 Trans Am Super Duty 455s produced with an automatic transmission in 1974. In 1973 and 1974, a special version of the 455, called the SD-455, was offered. The SD-455 utilized components from Pontiac's 366 NASCAR engine, and was built as a full-bore racing engine that produced over 540 hp; the engine was subsequently "toned down" to appease the EPA and to meet GM's own strict power policy, which at the time required that no GM vehicle exceed 300 hp. As a result, the PMD engineers listed the SD-455 at 290 hp, but in reality it was producing, in final form, 371 hp SAE NET (or approximately 440 gross horsepower). Racers soon realized the ease with which it could be returned to its 500+ horsepower form, so finding this package is extremely rare. The SD-455 is regarded as the last of the true muscle car engines and, by many, considered to be the most powerful factory Pontiac engine ever produced. The example offered here is a very original car with only one re-paint in its original color, this SD stands as a true testament to what the Trans Am Super Duty is all about. Fully optioned with factory A/C, power windows, steering and power disc brakes, the car is fully documented through PHS. This RARE Super Duty is numbers matching and in excellent overall condition. Call Brian at 260.925.6789 for additional details. 
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