Round 4 - Austin, Texas, USA
IMSA WeatherTech SportsCar Championship
Advance Auto Parts SportsCar Showdown
Circuit of The Americas, Austin, TX USA
Friday 5 May 2017
912, Porsche, Porsche 911 RSR, GTLM, Laurens Vanthoor, Wolf Henzler
World Copyright: Phillip Abbott
LAT Images
ref: Digital Image abbott_COTA_0517_5879