1991 Mustang crate engines are drop-in upgrades that are fully assembled by the manufacturer with the same quality control and tolerances as an original factory build. In many cases, the parts are even better than the originals, thanks to advances in modern manufacturing and materials. The result is an easy-to-install Mustang engine ready for hard driving and fast laps. As a bonus, these engines will look fantastic under your hood!

Some of the most famous and legendary classic Mustang engines are available for your 1991 Foxbody Mustang. You can choose from a long list that includes well-known classics and popular modern power applications like the Boss 302, Aluminator 5.0L, Boss 351, and Coyote 5.0L.

Whether you need a simple replacement to get your 1991 Mustang back on the road, or are looking to increase the performance of your weekend warrior, we're stocked with options from brands like Ford Performance and Edelbrock to fulfill your individual needs.

Not the year you are looking for? Check out these years: 1979, 1980, 1982, 1983, 1984, 1985, 1987, 1988, 1989, or 1992 for additional options.