The 2021 NAPA Auto Care 150 was a ARCA Menards Series West race held on October 9, 2021.
It was contested over 158 laps—extended from 150 laps due to an overtime finish—on the 0.33-mile (0.53 km) short track oval.
It was the eighth race of the 2021 ARCA Menards Series West season.
Practice and qualifying were combined into 1 75-minute session, where the fastest lap counted as the driver's qualifying lap.
Dean Thompson collected the pole with a time of 13.768 and a speed of 13.769 mph (22.159 km/h).