Kurt Busch will start from pole position for this weekend's Southern 500 Cup race at Darlington Speedway after setting a new track record in qualifying.
Kyle Busch completed a sweep of the Texas Motor Speedway race weekend, winning the NRA 500 over Martin Truex Jr. having led for a total of 171 of the 334 laps of the 1.5-mile superspeedway.
Jimmie Johnson lay down the championship gauntlet early, declaring his intentions to win a sixth 2013 Sprint Cup title by clinching his second Daytona 500.
Kyle Busch has signed a multi-year extension to his current contract with Joe Gibbs Racing, meaning that the controversial driver will continue with the team at least through 2015.
Kevin Harvick won the AdvoCare 500 at Phoenix International Raceway in bizarre and controversial circumstances, after a race that may have decided the 2012 Sprint Cup championship.
Kyle Busch has issued a public apology for comments he made after the end of a disappointing Cup race last weekend at Dover in which he heavily criticised engine suppliers Toyota.
Justin Allgaier won the NAPA Auto Parts 200 Nationwide Series race in Montreal, after he tipped a slowing Jacques Villeneuve into a spin on the second green-white-chequered finish of the day.
Sprint Cup driver Kurt Busch has been suspended from this weekend's upcoming NASCAR events for comments he made to the media after Saturday's Nationwide race at Dover.
Brad Keselowski out-witted Kyle Busch on the final corner of Talladega Superspeedway to win Sunday's Aaron's 499 Cup race in a green-white-chequered finish.
Veteran crew chief Greg Zipadelli is to leave Joe Gibbs Racing with immediate effect to take up the role of director of competition at Stewart-Haas Racing.
Kyle Busch has been dropped by his main sponsor, confectionery brand M&M's, for the rest of the season following Busch's on-track retaliation against Ron Hornaday that saw him penalised at Texas.