* V8s: This is the most common engine type, ranging in size from relatively small to very large displacement. Think 5.0L Coyote, 4.6L, 5.4L, and even supercharged versions of these and others.
* Other possibilities (less common): While rare, some special editions or modifications might have used other engines.
To know the specific engine in a particular Shelby Mustang, you must specify the year and model (e.g., 2023 Shelby GT500, 2007 Shelby GT, etc.).