This article is part of our NASCAR Barometer series.Kyle Busch rose to the occasion to take advantage of Kevin Harvick's trouble and win at ISM Raceway to assure his spot among the final four championship contenders in this week's finale at Homestead-Miami Speedway. By the checkered flag, he didn't need the victory to claim that spot, but the win will give him the last bit of momentum heading into this championship weekend as he seeks his second series title. Joining him in the battle will be Joey Logano, Martin Truex Jr. and Harvick. Busch, Truex and Harvick are each seeking their second championships, while Logano looks to do one better than his previous best finish to claim his first. As expected throughout much of the season, the three most dominant drivers make up the championship contenders.
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