Iridium is a precious, silver-white metal and one of the densest materials found on earth. Iridium is a precious, silver-white metal and one of the densest materials found on earth. The natural ...

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

If you want to get performance spark plugs in hopes it will increase your car's horsepower, pump your brakes for a second. It ...

Changing spark plugs is standard maintenance on gasoline-powered cars. While you could clean and reuse old ones, it's not ...