Fighting a loose - handling No. 18 Toyota , Kyle Busch spun off turn 4 during final NASCAR Sprint Cup Series practice .
Fighting a loose - handling No. 18 Toyota , Kyle Busch slid through the infield grass , destroying the front end of his car .
Fighting a loose - handling No. 18 Toyota , Kyle Busch spun off turn 4 during final NASCAR Sprint Cup Series practice and slid through the infield grass , destroying the front end of his car .