World Endurance Champions Suzuki Castrol won the Zolder 6 Hour fourth round of the FIM World Endurance Championship in Belgium this afternoon and extended its lead in the series to 44 points. GSX-R1000-mounted Vincent Philippe, Keiichi Kitagawa – who crashed heavily in qualifying - and Matthieu Lagrive took their third win of the seven-round series, completing 223 laps, three more than Yamaha Austria who currently hold second place in the Championship.