This part is essential by every definition, and if it fails, all the technology in the world will not save the assembly from going flat. It's time to put the valve stem in the spotlight ...

Yep, I’m referring to its trick, 90-degree valve stems. Take one glance at the wheels and it’s impossible to miss them; they stand out with their silver finish against the dark satin void of ...

Your car’s tire is losing air from the valve stem — what do you do? Well you could take it to the mechanic and pay upwards of $30 to replace it… or you could try this MacGyver style approach!

Allowing for air to release from the tire during the race, the valve stem cap could have gained Ty Majeski and the team a competitive advantage over their rivals courtesy of the illegal part.