Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...

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 ...

They may not look like much, given their humble size, but spark plugs are the heartbeat of a car's engine. Without them, there’s no fire, no motion, no drive. In most cars, there are four in number ...