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
54, Porsche, Porsche 911 GT3 R, GTD, Jonathan Bennett, Colin Braun
World Copyright: Phillip Abbott
LAT Images
ref: Digital Image abbott_COTA_0517_5922