Related stories on Jimmie Johnson, Dale Earnhardt Jr., Kevin Harvick, Denny Hamlin and Greg Biffle in the SI Vault

• Hitting on All Cylinders By Mark Bechtel, August 27, 2001 Kevin Harvick is driving Dale Earnhardt's car and doing a lot more besides.

Dale Earnhardt Jr. And Nascar Nation By Jeff MacGregor, July 1, 2002 Sixteen months after the death of its biggest star, stock car racing is bigger than ever, propelled by a new generation of drivers burning rubber through the intersection of sports and commerce.

Sweet 16 By Lars Anderson, May 9, 2005 Greg Biffle's no young gun, but at 35 he has the talent--and, finally, the car--to make a run at the Nextel Cup title.

Shootin' The Breeze With Junior By Lars Anderson, February 19, 2007 Off the track and on the record with Dale Earnhardt Jr., who talks about growing up, goofing off and missing his dad.

Denny Hamlin By Mark Beech, December 5, 2007 There would be no sophomore slump for 2006 Rookie of the Year Denny Hamlin.

Fired Up By Lars Anderson, February 18, 2008 Driving for a powerhouse team and with a fresh outlook, NASCAR's most popular driver, Dale Earnhardt Jr., plans to give his fans a lot more to cheer about.

The Third Man By Lars Anderson, October 6, 2008 Look out, Jimmie and Carl: Undersung Greg Biffle is off to a roaring start in the Chase and hard on your bumpers.

Jimmie Steps Out By Lars Anderson, November 24, 2008 NASCAR's best driver on the track, sports' next celebrity on the street: the two sides of Cup champ Jimmie Johnson.

American Hero 2.0 By Joe Posnanski, December 24, 2009 Jimmie Johnson may not remind you of old-time drivers, but he is the perfect champion for today.

A Blend That Can't Be Beat By Lars Anderson, December 24, 2009 A unique combination of driving skill and a cerebral approach to racing makes Jimmie Johnson one of a kind: champion for four years running.

Party Hard And Race Harder By Lars Anderson, February 15, 2010 From fender rubbing to late-night clubbing -- to tweeting about both -- Sprint Cup contender Denny Hamlin is a high-octane blend of old school grit and cutting-edge cool.

Happy Again By Lars Anderson, March 8, 2010 After two subpar seasons, Kevin Harvick is off to a roaring start and living up to his nickname.

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