crate engines, and extensive reverse engineering to deliver the best performance possible. ATK is also responsible for making its own engines, backed by its warranty, as it has been for the past ...

When it comes to crate engine suppliers ... Today, 80 years later, the company comprises ATK High Performance, ATK ...

The 1990 ATK 600 sports an air-cooled, four-stroke, 598cc, single cylinder engine paired to a five-speed manual transmission. This powerful offroad machine also comes standard with a single seat ...