The Tillotson T4 Series, which debuted in the 2019 Motorsport Ireland Championship, is designed to introduce new drivers to the higher levels of karting in a cost-effective, easy-to-use manner. It is the ideal setup for clubs and local federations who want to expand the appeal of professional-level karting to the weekend racer or motorsport enthusiast. It features a European style racing chassis, our high-power, low-maintenance 225cc racing engine, and an easy to adjust HW carburetor to make racing fast, easy and competitive.