The 2008 Best Buy 400 benefiting Student Clubs for Autism Speaks was the thirteenth race of the 2008 NASCAR Sprint Cup schedule which was run on Sunday, June 1 at Dover International Speedway in Delaware's state capital, and serves as a fundraiser for Autism Speaks, with $5 from each ticket sold benefitting the charity. The race was the final NASCAR telecast on Fox for the 2008 season starting at 1:30 PM US EDT and on radio via MRN and Sirius Satellite Radio at 1:15 PM US EDT.

David Leonard Gilliland is an American professional stock car racing driver and team owner. Since 2017, he has operated Tricon Garage, a team that races in the NASCAR Craftsman Truck Series. The team has also competed in the ARCA Menards Series, ARCA Menards Series West and CARS Tour.