Ford and Shelby have a history that dates back to the birth of the Mustang in 1965. The two have collaborated countless times since the latest to wear the Shelby name – the GT500 and GT350 – will get some love in the aftermarket scene from Shelby America. Last week, the company announced the post-title Shelby Signature Edition packages for both of the performance ponies that add a heap of goodies any Shelby fan should appreciate.

The biggest news is the increase in power for the GT500SE. Shelby didn’t provide an exact number other than 800-plus bhp (596-plus kilowatts) from the supercharged 5.2-litre V8. Shelby added a new pulley and coolers to help it create more than 40 extra bhp over the stock 760-bhp (566-kW) rating. And that’s on American 93 octane pump petrol. The package also adds a tweaked and lowered suspension and a carbon-fibre bonnet that helps the coupe shed 13.6 kilograms (30 pounds). There’s an optional wide body kit, too.

Gallery: Ford Mustang Shelby GT500SE Shelby America Signature Edition

The GT350SE package sounds a bit tamer. Upgrades include a more aggressive handling package, a “sporty interior,” unique wheels and performance tyres, and functional styling elements. The package is available for the 2015 to 2020 GT350 and GT350R though the 2020 model will receive the unique anniversary badge while the others will receive a standard badge. Also, Shelby America is limiting the Signature Edition package for both to just 100 cars each per

Those Americans who reserve their Signature Edition GT500 or GT350 by August 14, 2020, can claim the “First 15,” one of the first 15 Shelby series numbers. Perks include an invite to a Las Vegas party, an autographed photo of their car at Shelby, Shelby gear, and other benefits. Each package purchase includes a donation to the Carroll Shelby Foundation, which provides medical assistance to those in need.

Gallery: Ford Mustang Shelby GT350SE Shelby America Signature Edition

Pricing for the packages starts at $9,995 (£7,640) for the GT350SE and $29,995 (£23,000) for the GT500SE. That does not include the price of either car from Ford, nor does it cover the shipping costs to Las Vegas, where Shelby America is located.

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LAS VEGAS – July 30, 2020 – Executives with Shelby American today announced its first Carroll Shelby Signature Edition post-title packages for the 2020 Shelby GT500 and the 2015-2020 model year Shelby GT350SE, including the vaunted “R” model cars. Shelby American will enhance the styling, performance and exclusivity of the two iconic American sports cars and the Ford Shelby GT500SE will boast over 800 horsepower. Limited to only 100 per model year, each Shelby Signature Edition car will receive a Shelby CSM number and be documented in the official Shelby American Registry.

The cars will also include other ownership benefits including entry into Team Shelby, a donation to the Carroll Shelby Foundation and more. A host of options, including the popular widebody package will also be available including a “First 15” package.

“Both the Ford Shelby GT350 and Shelby GT500 are world-class sports cars with spectacular performance,” said Gary Patterson, president of Shelby American. “Our limited-edition Carroll Shelby Signature Edition packages are designed to build on their amazing capabilities to deliver an even more aggressive, refined and exclusive version of the two spectacular cars. They’re exceptionally handsome and deliver dazzling performance mile after mile, lap after lap. Plus, the Shelby GT500SE will be eligible for further upgrades by Shelby American in the future.”

The 2020 Shelby GT500SE will boast an additional 40+ horsepower, fully functional dry carbon fiber hood, new wheels, tires, suspension tuning, interior, badges, stripes and more.

“We integrated a new pulley and coolers so the 5.2-liter V8 churns out over 800 horsepower on 93 octane pump gas,” said Vince LaViolette, Shelby American Vice President of Operations and Chief of R&D. “We lowered the car with more track-focused springs that match a new aggressive suspension tune. Then we cut 30 pounds off the top of the Shelby GT500SE with the ultra-light dry carbon fiber hood, which is also much stronger and lighter. An optional wide body modification is even available for the serious driver.

While the Shelby GT350 and its “R” model stablemate have been available since 2015, this is the first program for the car by Shelby American.

“The 1965 Shelby GT350 was the first Mustang-based car that Shelby American and Ford Motor Company created together,” said Patterson. “To celebrate 55 years of collaboration, we created the Shelby GT350SE with a more aggressive handling package, sporty interior, stripes, special wheels, performance tires, and several functional styling elements. The 2020 model cars will wear a unique anniversary badge while 2015-2019 cars will have a standard one. The Shelby GT350SE package is affordable, distinctive and includes the coveted Shelby serial number.”

The sale of each Signature Edition car benefits the Carroll Shelby Foundation, which was established by Carroll Shelby. The Foundation provides medical assistance for those in need, including children, educational opportunities for young people through automotive and other training programs and benefitting the Shelby Automotive Museum.

“The Carroll Shelby Foundation was very important to my grandfather, so I’m proud that cars bearing his personal signature will directly benefit his charity,” said Aaron Shelby, Co-President of the Carroll Shelby Foundation. “Because Carroll cared so deeply about enthusiasts, each car includes membership in Team Shelby, the club he established many years ago. We believe that Team Shelby is the heart of the Shelby community and the Carroll Shelby Foundation is its soul.”

Shelby American is offering a “First 15” incentive that includes special perks if a current generation Shelby GT500 or Shelby GT350 owner reserves their Signature Edition car by August 14, 2020.

“As one of the ‘First 15,’ an owner will receive an invitation to a special party for the group in Las Vegas, autographed photo of their car at Shelby, one of the first 15 Shelby serial numbers, official Shelby gear, one night’s stay at the D Las Vegas Casino and Hotel to visit Shelby American and other great benefits,” said Patterson. “It will be a very exclusive group.”

The Carroll Shelby Signature Edition post-title packages are available through Shelby American and will be built at the Las Vegas facility. A limited number will be built by select Shelby mod shops and distributors internationally. Individuals interested in these or any other Shelby vehicle can visit