Busch won the Xfinity race, but his car failed post-race inspection.

Greater pre-operative PT and SVA predicted failed post-operative SPA.

Two teenagers were being questioned by gardaí in Limerick last night following two failed post office raids.

NOTES: Kyle Larson was fastest in Friday's opening practice and in qualifying on Friday, but his car failed post-qualifying inspection.

NOTES: Kyle Busch was fastest in qualifying Friday, but when his car failed post-qualifying inspection, his brother, Kurt Busch, inherited the pole.

That win didn't garner him a playoff spot, as it was classified as "encumbered" by NASCAR after his car failed post-race inspection.