18/07/2008 12:26. High performance crate engines are also offered and are professionally built to meet varied customer needs. ATK currently offers high-performance engines for Chevy, Ford, and Chrysler applications and also produces a Stroker 4.0L Jeep engine that is used by racers in the JeepSpeed racing series. These engines and many more are available through ATK’s high-performance division. // 4 Wheel Drive & Sport Utility Magazine