Carl Long penalized for oversized Cup engine during Sprint All-Star weekend
Robby Gordon rear axle housing exceeded the maximum specified toe of plus or minus one degree at Coca-Cola 600
Kyle Busch finishes 5th at New Hampshire, but penalized after the left front was too low
Martin Truex Jr. finishes 16th at Chicagoland, but fails post-race inspection when right rear quarter panel is too high. Ironically, later in the season he's fined at Texas for being too low!
Honorable Mention: Mark Martin’s #5 and Jimmie Johnson’s #48 cars for NOT being illegal, yet being warned that they were “getting too close to the tolerance limits”