These valve stem caps are made in the U.S. from once-fired American-made 40 caliber rounds. Obviously they don't have any live primers, powder, or any explosives, so they're completely safe to use.

As mentioned, tire valve stem caps are designed to protect the valve inside of the stem itself. This valve screws into the tire stem and allows you to add or remove air without deflating the ...

Phallic valve stem caps can be purchased on Amazon, Etsy, and TireCockz. If you are looking to pull off a nice little prank on a buddy, look no further. Curious to see what my suggested ads will ...

While you can buy personalized valve stem caps for your car, those that are solid green usually have nothing to do with aesthetics. Instead, these green caps indicate that the tires are full of ...

The valve ‘stem’ is made in brass with nickel-plated caps. The company also produces versions with different angles – 45° and 135° as well as these 90° examples.

DAYTONA BEACH - NASCAR levied fines against Front Row Motorsports on Wednesday for using illegal valve stem caps on Travis Kvapil's car in last weekend's Sprint Cup race at Pocono Raceway. Crew ...

However, green tire valve stem caps are not usually one of the ways people do that. While you can buy personalized valve stem caps for your car, those that are solid green usually have nothing to ...