Greg Biffle's crew chief from 2007 until Biffle decided he needed a change in the middle of the 2011 season.

FORBES: Richard Petty Motorsports

In 2004, Greg Biffle won the pole but switched engines the day before the race, sending him to the back of the starting field.

WSJ: Daytona 500: 500 Miles Later, the Pole Is Irrelevant��Danica Patrick

The biffle marketplace then offers price-competitive vendors a steady flow of purchase orders without any channel conflict, since vendor participation at point-of-sale is anonymous.

FORBES: Tiny Upstart biffle Finds Consumer Niche - Should Amazon and Walmart Take Notice?