The very first 2022 S550 Ford Mustang Shelby GT500KR is crossing the Barrett-Jackson auction block this weekend. This mega Mustang manifested itself last month and Shelby American has scheduled production to begin this month. And whatever the “King of The Road” Mustang auction price is settled at, it will all go to support a couple of charities. Shelby American – founded by the late, great Carroll Shelby himself – is celebrating its 60th year anniversary this year and has come together with Ford to create the beastly Mustang GT500KR that sports an impressive spec sheet. This is only the third …