2021 NAPA Auto Care 150

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 mi short track oval. It was the eighth race of the 2021 ARCA Menards Series West season. Pedroncelli Racing driver P. J. Pedroncelli, collected his first win of the season, and of his career.

Entry list

 * (R) denotes rookie driver.
 * (i) denotes driver who is ineligible for series driver points.

Practice/Qualifying
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.