Not everybody is as lucky as Chad Knaus was to have all but the monetary fine portion of his 2012 Daytona 500 penalties overturned. Check out the biggest hits NASCAR has levied in history against teams caught crossing the line.

Infraction: Irregularities in car's fuel at Talladega in May 2000. According to NASCAR, an agent was added to the fuel to increase oxygen content to make the car go faster.
 

Kyle Busch (18) rammed Ron Hornaday Jr. (33) during a caution period in the NASCAR Camping World Truck Series race Nov. 4 at Texas Motor Speedway. NASCAR officials took quick action, parking the driver for the Nationwide and Sprint Cup races that weekend - a costly move for a driver contending in the Chase for the Sprint Cup.

Infraction: His car body failed to match the templates at a postrace inspection at the NASCAR Research and Development Center following the opening 2010 NASCAR Chase for the Sprint Cup race at New Hampshire Motor Speedway, which he won. Bowyer was penalized 150 points, crew chief Shane Wilson and car chief Chad Haney were suspended six races and fined $150,000 and team owner Richard Childress was penalized 150 points. The team appealed the penalties all the way to the chief appelate officer, who upheld the point deduction but reduced the fine, to $100,000, and suspensions, to four races each for Wilson and Haney.

Infracton: Using nonconforming equipment and modifying the valve stem hardware at Pocono in June 2010. His crew chief, car chief and tire specialist were also suspended for 12 races each.

Infraction: Unapproved intake manifold at Richmond in September 2000.

Infraction: Unsecured oil tank lid in Las Vegas in March 2008. Edwards was also docked the bonus for winning the race in the Chase for the Sprint Cup.

Infraction: Team owner Childress had a confrontation with driver Kyle Busch following a Camping World Truck Series race at Kansas Speedway, allegedly punching Busch several times during the clash. NASCAR deemed the actions detrimental to stock car racing, fining Childress and placing him on probation for the rest of the year.