By Aaron Waldron
OS Engines is proud to announce the return of Andrea Pirani in their racing team. After three year of collaboration Andrea returns to OS 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 OS Engine's drives in on-road races during this year.