Blake Koch leads final Xfinity practice at Richmond

Photo by Robert Laberge/Getty Images
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RICHMOND, Va. – Blake Koch posted the fastest lap in Friday’s final Xfinity practice at Richmond Raceway.

Koch went 122.912 mph. He was followed by William Byron (122.139 mph), Brandon Jones (121.847), Dale Earnhardt Jr. (121.819) and Ryan Reed (121.583).

Justin Allgaier, who finished second at Richmond in April, posted the best average over 10 consecutive laps at 119.210 mph. He was followed by Spencer Gallagher (118.665 mph) and Brad Keselowski (117.041).

The session marked the debut of the flange fit composite body. NASCAR stated that 30 teams were using the composite body on their primary car. The composite bodies also can be used at Dover and Phoenix in the playoffs this year. Teams can use the composite body for all races next season except the superspeedways.

Click here for practice report