Welcome to Roltek Racing Transmissions. Roltek Transmissions has been a voice in the racing world for many years building transmissions for some of the best teams in the country... Made in Hartland, Wisconsin Roltek specializes in high-performance light-weight transmissions and accessories like the 4 speed transmission at 28 pounds of rotating weight and the 3 speed at 24 pounds rotating weight. Roltek Racing Transmissions have won races in the North, South, East and West as well as championships at Slinger Speedway and in the ASA Late Model Series. Pull ahead of the pack and call Roltek today!