BROOKLYN, Mich. -- Austin Dillon posted the fastest lap in Friday’s final practice session at Michigan International Speedway.
Dillon went 177.004 mph to lead the Xfinity session. He was followed by Ryan Truex (176.561 mph), Elliott Sadler (176.224), Justin Allgaier (176.125) and Ryan Reed (176.104).
Brandon Jones spun and made slight contact with the wall during the session, which saw a group of about a dozen cars run together at one point. Allgaier also spun but continued on without hitting anything.
Kyle Busch posted the fastest lap in the first of two Xfinity practices Friday at Michigan International Speedway.
Busch ran a lap of 175.584 mph.
John Hunter Nemechek (175.285 mph) was second and Justin Allgaier (175.268) was third. Next was Cole Custer (175.119) and Elliott Sadler (175.004).
The session marked the first time Xfinity cars ran at Michigan with the aero package and restrictor plates used at Indianapolis last year and Pocono last weekend. The session saw cars draft and some run together at times.