1957 CHEVY BEL AIR, Just finished some restoration on and all original 57 Chevy Belair Ht. the most popular car in the world for over 50 years.The Chevrolet Bel Air is an automobile series produced by the Chevrolet division of General Motors from 1953–75. From 1950–52, hardtops in Chevrolet's premium Deluxe model range were designated with the Bel Air name, but it was not a distinct series of its own. The Bel Air continued in production in Canada through the 1981 model year.