URL to NASA and American Iron

The real American Iron Racing Series is a nationally sanctioned racing series run by the National Auto Sport Association (NASA). The American Iron was created to allow for racers to have an oportunity to race in some other than a Spec seires. This allowed for more makes and models of cars to participate, and for more customization in the builds.

Here are two links to the real life American Iron Series, the first link takes you to the home page of the National Auto Sport Association and the second link takes you to its sub-page for American Iron.
NASA pro racing website
American Iron Racing with Camaro Mustang Challenge