The valve stem is probably the one component in the tire and wheel assembly that is most taken for granted and least thought about. Like Rodney Dangerfield, it "don't get no respect" or at least not ...

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 MacGyv ...

Standard rubber valve stems can be torn or damaged from debris entering the wheel and contacting the stem. While they can take a fair bit of punishment they are more likely to fail as the rubber ages.

With existing valve stems – be they Presta, Schraeder or Dunlop – the pump head is typically pushed down onto the stem, then tightened into place by flipping its locking lever.

Lash is important because all the components in the valvetrain—the cam lobes, lifters, pushrods, rockers, and valve stem—require room to expand with heat. Too little lash and you run the risk ...