Valvoline and Hendrick Motorsports have launched a new online challenge called “What’s Under the Hood?” NASCAR Sprint Cup Series drivers Jeff Gordon, Dale Earnhardt Jr., Kasey Kahne and Jimmie Johnson each step out from behind the wheel to take a turn as host of the interactive video game show series that will test DIYers’ automotive knowledge.

Auto enthusiasts and NASCAR fans can take the challenge and join in the first of four quiz rounds featuring racing legend Jeff Gordon by visiting ValvolineUndertheHood.com.  Subsequent rounds featuring Earnhardt, Kahne and Johnson will be released bi-weekly through early July, giving players plenty of opportunities to win prizes from limited edition gear to signed memorabilia and collectibles. There is a special offer for fans who purchase five quarts of any Valvoline motor oil at any participating store locations from now until July 31. Go online at ValvolineHat.com to redeem for limited edition hats designed by the drivers.

Later this summer, upon the completion of all four rounds, the drivers will go head-to-head on behalf of four lucky fan finalists The big race will determine the grand prize winner of a new or classic car. Each active round will feature a different driver’s quiz in multiple-choice format – the more times a contestant plays, the more opportunities they have to win.

Valvoline is the Official Lubricants Supplier of Hendrick Motorsports and is featured as a major associate sponsor of the team’s Chevrolet SS race cars. Hendrick Motorsports uses a specially designed Valvoline racing formulation in its Chevrolet R-07 racing engines in the elite Sprint Cup Series.