Lifelock 400

About Lifelock 400

The LifeLock 400 is the first of two NASCAR Sprint Cup stock car races held at the Michigan International Speedway in Brooklyn, Michigan, the other being the 3M Performance 400. In 2006, 3M signed a three-year agreement to sponsor the race, but after one year moved its sponsorship to the August race. Starting with the 2008 race, LifeLock will have title sponsorship rights for three years pending the announcement by the speedway.. The LifeLock 400 was the name of the race formerly known as the Banquet 400 in 2007.

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