STP Gas Booster 500 – Qualifying

STP Gas Booster 500 – Qualifying

RIDGEWAY, VA – APRIL 05: Jeff Burton, driver of the #31 Childress Institute for Pediatric Trauma Chevrolet, waits on pit road during qualifying for the NASCAR Sprint Cup Series STP Gas Booster 500 on April 5, 2013 at Martinsville Speedway in Ridgeway, Virginia. (Photo by Jerry Markland/Getty Images)

RIDGEWAY, VA – APRIL 05: Jeff Burton, driver of the #31 Childress Institute for Pediatric Trauma Chevrolet, waits on pit road during qualifying for the NASCAR Sprint Cup Series STP Gas Booster 500 on April 5, 2013 at Martinsville Speedway in Ridgeway, Virginia. (Photo by Jerry Markland/Getty Images)

Greg Engle