Clements ended a 164-race winless streak with his victory early Saturday morning in the rain-delayed race at Daytona International Speedway and his No. 51 Chevrolet passed post-race inspection at the track.
However, the Xfinity Series uses a sealed engine program but all race-winning engines must be torn down at NASCAR’s R&D Center prior to the championship season finale. The No. 51 decided to turn in its Daytona race-winning engine this week.
