CONCORD, N.C. -- There are many individuals who contribute to success of the No. 9 team. In Hendrick Motorsports’ new series “Behind the 9,” crew chief Alan Gustafson talks with the individuals who bring talent and skill to the team behind the No. 9 Chevrolet Camaro ZL1 1LE.

This week, Gustafson sits down with rear tire changer Chad Avrit and the pair discuss how the Southern California native ended up in North Carolina changing the rear tire of the No. 9 Chevrolet Camaro ZL1 1LE.

Check out the video above to see how Avrit changed his course from becoming a math teacher to working in NASCAR, his love of dirt biking and more.