Larson, among the first cars on the track in the 50-minute session, led the way at 131.257 mph.<br>Friday’s practice session was the first since NASCAR announced new aero rules this season for road courses and a majority of tracks measuring 1.058-mile or less in distance, including Phoenix.<br>The package, which was tested in the offseason at Phoenix, consists of a 2-inch spoiler and the removal ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/kyle-larson-leads-nascar-cup-practice-phoenix/10442242/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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