The 409 V8 could be specified for any model of the full-sized Chevrolet (Impala, Bel Air, or Biscayne). While most of the Chevrolet 409 V8 engines built into street vehicles used the more mildly ...

The former was Chevy's range-topping model until the Caprice took over in 1966. The Impala also got the iconic SS badge in 1961. Both overshadowed the more affordable Biscayne and Bel Air versions.