ELMS Monza 2017 Proton Motorsport - Porsche 911 RSR 991 (LMGTE)

#ELMS #ProtonMotorsport #Pitstop Autodromo di Monza, 2017-04-27 2017 EUROPEAN LE MANS SERIES - 4 HOURS OF MONZA Proton Motorsport pit stop test. P...