 Kurt Busch and Montoya moved into fourth and ninth positions respectively on lap 141 . By the 150th lap , Johnson had built up a 2 @.@ 7 second lead over Hamlin . On lap 162 , Johnson 's lead of 3 @.@ 4 seconds was reduced to nothing when debris was spotted on the track , causing a caution . During the caution , some of the leaders elected to make pit stops . Johnson remained the leader on the restart , ahead of Bowyer and Hamlin . Two laps later , a multi @-@ car collision occurred on the front straightway as Earnhardt lost control of his car , and collected Logano , Scott Speed , Hornish , Bobby Labonte , Kenseth , Stewart , Vickers and Keselowski . The damaged cars headed to the pit road during the caution as crews cleaned up debris . 
