NASCAR didn’t tiptoe into fame; it thundered in. Over time, those honest “stock” cars gave way to finely tuned racing ...

When not needed, the A-post flaps are held closed by a latch and a pair of magnets. When the emergency is over, a team can ...

You might have noticed flaps on the A-post of stock cars during the NASCAR race at Daytona this past weekend. Combined with the roof and hood flaps, they’re designed to keep the racecars from going ...