GM has been putting out great crate engines for decades, allowing enthusiasts to give their favorite builds a beating heart.

Some true old-school hot-rodders might mention the Ford Flathead V8 or the Oldsmobile Rocket 88 ... making it a popular crate ...

This beautiful 1970 Oldsmobile 442 restomod built by Ironworks Speed & Kustom in Bakersville, California is powered by a 650-horsepower 6.2L V8 LTT4 engine.