By Reid Spencer, NASCAR Wire Service
Distributed by The Sports Xchange
DOVER, Del. -- Jimmie Johnson's run toward a possible sixth NASCAR Sprint Cup Series championship shifted into high gear Sunday at Dover International Speedway.
On two fresh tires to polesitter Dale Earnhardt Jr.'s four, Johnson held off his Hendrick Motorsports teammate during a 26-lap green-flag run to the finish of the AAA 400 and made a significant dent in the series lead of Matt Kenseth, who finished seventh.
Johnson picked up his fifth victory of the season, his record eighth at the Monster Mile-breaking a tie with Richard Petty and Bobby Allison-and the 65th of his career. The driver of the No. 48 Hendrick Motorsports Chevrolet vaulted over fifth-place finisher Kyle Busch into second in the Chase standings, eight points behind Kenseth.
Johnson held a lead of nearly five seconds when NASCAR called the fourth caution of the race for debris in the form of a spring rubber that had dislodged from a car and landed on the concrete racing surface in Turn 3.
With every lead-lap car short on fuel-with the possible exception of Clint Bowyer's No. 15 Toyota-the yellow presented a welcome opportunity to refuel. Johnson's crew chief, Chad Knaus, opted to change right-side tires only, while Earnhardt's crew chief, Steve Letarte, called for a four-tire change.
Earnhardt restarted fourth on Lap 375 of 400 and quickly rocketed into second place, but couldn't catch the five-time champion.
Joey Logano ran third, followed by Jeff Gordon and Busch, as Chase drivers claimed the top 10 finishing positions.