Kyle Larson hit with severe penalty from NASCAR for improper rear window Unknown 00:51 An improper rear window with an ominous shape is believed to create an aerodynamically competitive advantage. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsCorbin Burnes hopes to regain Brewers' rotation spotMaeda gets $1M trade bonus from DodgersTrack: 5th straight sellout for season-opening Daytona 500Chiefs' Patrick Mahomes playing a starring role in agent Leigh Steinberg's comebackSouth Carolina receives NCAA notice for basketball programPrepping straw bedding for dogs signals Iditarod is near
