NASCAR's biggest penalty in history?

NASCAR on Thursday handed down one of the largest, and harshest, punishments in the sport's history

Docking Brad Keselowski 100 points after finding his No. 6 had unapproved adjustments prior to the race at Atlanta last week.

Keselowski's crew chief Matt McCall was also fined $100,000 and suspended from the next four NASCAR Cup Series points races

While the penalty dropped Keselowski from 16th to 35 in the standings.

Here are some of the biggest, and most noteworthy, penalties handed down by NASCAR over the years.

Carl Long's engine ~ Long was suspended for 12 weeks, fined $200,000, and docked 200 points.

Michael Waltrip Racing goes flying~ Daytona Speedweeks 2007 fined the team $100,000 — the largest fine in NASCAR history at the time

Jeremy Mayfield's illegal fuel~ Michael Kranefuss 2000, who co-owned the team with Roger Penske, was fined $50,000

Jeff Gordon and Ray Evernham nabbed in 1995~ a record $60,000 fine for "using suspension parts

Tyreek Hill’s rumored new girlfriend?