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.

It is also known as the crankcase ventilation system. The PCV valve is a one-way valve attached to the crankcase of your car’s engine and removes unwanted gases from the crankcase. Unlike changing ...

The cost to replace a purge valve varies based on the vehicle's make and model, the valve's location, the type of valve, and labor cost. On average, the cost ranges from $100 to $500 but can go higher ...

Here's a step-by-step guide on how to replace the PCV valve. The engine used in this guide is a 4.9-liter inline-6 in a 1991 Ford F-150. This engine is also referred to as the Ford 300. ...