O.S. Engines have announced the return of Andrea Pirani to their racing team. After three year of collaboration Andrea returns to the iconic Japanese brand to continue the project born in 2014: Increasing the European market share while helping with product development. This year Andrea will participate at the 1/8th On-road World Championships in France, the ENS and the Italian Championship. In cooperation with Italian O.S. distributor Radiosistemi, Andrea will also offer technical support for O.S. on-road drivers.