Championship 4 crew chiefs in the NASCAR Xfinity Series are featured before the Desert Diamond Casino West Valley 200 at Phoenix Raceway on Saturday.
Richard Boswell
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NASCAR Xfinity Series teams are preparing for the Boyd Gaming 300 at Las Vegas Motor Speedway on Saturday, March 3rd at 4 pm ET. Pre-race coverage is on FOX Sports 1 at 3:30 pm ET along with PRN and SiriusXM NASCAR Radio.