Bell won in his second race driving for Joe Gibbs Racing to give the team a pair of surprising victories at Daytona International Speedway.
Ty Gibbs, the 18-year-old grandson of team owner Joe Gibbs, won the Xfinity Series race Saturday night in his first career national series start.
“I've prepared my whole life for this moment to race in the Cup Series, last year was such a learning curve for me.
Kevin Harvick finished sixth and AJ Allmendinger, in his first Cup race since the 2018 season finale, finished seventh.
It was the highest finish in three Cup races for Kaulig Racing, an Xfinity Series team formed in 2016 that wants to be full-time Cup next season.