A Big Block Engine is a type of internal combustion engine characterized by its larger displacement and size compared to a small block engine. Typically found in high-performance vehicles, these engines can produce more power and torque, making them ideal for applications like racing and heavy-duty trucks. They often feature larger cylinder bores and longer strokes, which contribute to their increased performance capabilities. Commonly associated with brands like Chevrolet and Ford, big block engines usually range from 396 cubic inches to over 500 cubic inches in displacement. Their design allows for more air and fuel intake, enhancing combustion efficiency. This makes them popular among car enthusiasts and those seeking powerful performance in their vehicles.