#00-Cole Custer was quickest in final practice at Iowa Speedway with a speed of 132.164mph.
#20-Christopher Bell was second, followed by: #11-Blake Koch, #33-Brandon Jones, #2-Ben Kennedy, #9-William Byron, #19-Matt Tifft, #18-Kyle Benjamin, #48-Brennan Poole, and #22-Sam Hornish, Jr..
All 40 drivers practiced during the session.
See complete results on the Iowa final practice speeds page (pdf).
