This marks the fourth consecutive year for the FedEx 400 benefiting Autism Speaks event
Catch up quickly before Sunday's running of the FedEx 400
Watch the latest Preview Show videos delivered by Fed Ex Racing
The Sprint Cup Series heads to Dover for the first time this year
See the full starting lineup for the Sprint Cup Series race at Dover
Clint Bowyer and others talk about an interesting day at the track during the FedEx 400 benefiting Autism Speaks .