Petty’s Garage to build limited number of highly modified Mustang GTs – 243 King edition models, 43 King Premier and 14 King Premier convertibles 5.0-liter engine modified with Ford Performance supercharger boosts output to 670 horsepower and includes three-year, 36,000-mile limited warranty Optional level two upgrade uses smaller supercharger pulley to make 727 horsepower DEARBORN, Mich., Oct. 23, 2015 – Featuring up to 727 horsepower, the new Petty’s Garage 2016 Mustang GT King edition means that Ford’s pony will be hell for some cats. Petty’s Garage – the in-house speed…
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