The 38-year-old Almirola from Tampa, Florida, led 17 of 60 laps, including the final two to claim a second row starting spot for the Great American Race with his second career Duel win.
The reigning two-time Cup Series champion from Middletown, Connecticut, led the final 29 laps and edged Bell in a photo finish to win the first of two Duel events at Daytona.
The 2015 Xfinity Series champion capped off a perfect day for the newly named Roush Fenway Keselowski Racing by winning the second of two Duel events at Daytona.
The Welcome, North Carolina, native utilized a crossover move to overtake Wallace on the final lap and claim the victory in the second Daytona Duel event.