Ford's supercharged 5.2-liter V-8 known as the Predator is available once again in crate form, and is priced at $29,500. The engine is probably best known as the power source of the previous-generation Mustang's Shelby GT500 variant, where it delivered 760 hp. It now does duty in the F-150 Raptor R, albeit with output slightly detuned to 720 hp...