The 351 Cleveland is a V8 engine produced by Ford Motor Company from 1969 to 1974. It is part of the Cleveland engine family and is known for its high performance and durability. The engine features a 4.0-inch bore and a 3.5-inch stroke, resulting in a displacement of 351 cubic inches. This engine was commonly used in various Ford and Mercury vehicles, including the Mustang and Cougar. The 351 Cleveland is recognized for its power output and was popular among car enthusiasts for modifications and racing applications. Its design includes a unique cylinder head configuration that enhances airflow.