12 Days of Christmas | Day 3! Shop Now
As the largest private label crate engine remanufacturer in North America, ATK has been around for over 80 years producing parts including high performance engines, transmissions and rear axles. When your Jeep needs an engine rebuild, an ATK remanufactured engine uses reverse engineering processes to virtually eliminate factory defects that hinder performance. One reason ATK is at the forefront of engines is their adherence to thorough cleaning and inspection techniques and their machining and magnafluxing capabilities. If staying out of the garage and out on the trail is a priority, rely on ATK to get your 4x4 up and running.