A-Production racecars are generally referred to as the “Big American Iron” 1960s to early 1970s ground pounders with “big bore” V8 engines such as 427 cubic inch Cobras and other American super-muscle cars with 350-400+ cubic-inch engines, including Corvettes, Dodge Chargers, Shelby 350 Mustangs and Z-28 Camaros of the late 1960s to early 1970s Trans-Am “Pony Car” era.
