Round 4 - Austin, Texas, USA: IMSA WeatherTech SportsCar Championship Advance Auto Parts SportsCar Showdown Circuit of The Americas, Austin, TX USA Saturday 6 May 2017 991, Porsche, Porsche 911 GT3 R, GTD, Parker Chase, Harry Gottsacker World Copyright: Jake Galstad LAT Images ref: Digital Image galstad-COTA-0417-49133
IMSA WeatherTech SportsCar Championship
Advance Auto Parts SportsCar Showdown
Circuit of The Americas, Austin, TX USA
Saturday 6 May 2017
991, Porsche, Porsche 911 GT3 R, GTD, Parker Chase, Harry Gottsacker
World Copyright: Jake Galstad
LAT Images
ref: Digital Image galstad-COTA-0417-49133