O.S. Engines have announced the return of Andrea Pirani in their racing team. After three year of collaboration Andrea returns to O.S. to continue the project born in 2014: increasing the European market share and developing parts and engines during races. This year Andrea will partecipate at World Championship 1/8 scale in France, ENS Championship and Italian Championship. In cooperation with O.S. italian distributor Radiosistemi, Andrea will be the technical support man for O.S. Engine’s drives in on-road races during this year.