UAW-GM Quality 500 week hits high gear Wednesday with practice and qualifying for the Aaron¿s 99 American Speed Association race and the Mopar Sprint Car Nationals at The Dirt Track.

The cars and stars of the Indiana-based ASA National Tour will begin practice at 11 a.m. Qualifying is slated for 4 p.m. and a final practice session gets the green flag at 7:30 p.m.

The Dirt Track @ Lowe¿s Motor Speedway concludes its season Wednesday night with the traditional sprint cars of the United States Auto Club and the late models of the O¿Reilly Southern All Star Series.

NASCAR driver and last year¿s USAC sprint car champion J.J. Yeley will return to his racing roots in the No. 75 Mopar-powered sprint car while NASCAR veteran Ken Schrader will trade paint with the late model troops.

Spectator gates open at 5 p.m. with racing at 7:30 p.m.

Tickets for all UAW-GM Quality 500 Week events are still available in a variety of price ranges and can be purchased at the gate or by calling 1-800-455-FANS.