Spark Plug Gap Gauge . Though its technically not one of the spark plug removal tools, you’ll need a gap gauge to set the spark plug gap on the replacement spark plug to suit your vehicle’s specs.

These stronger spark plugs generally last for between 60,000 and 100,000 miles, and many manufacturers don't recommend replacing the spark plugs until the 100,000 mile-mark for modern cars.

Spark plugs are essential in ensuring that your vehicle performs at its best. If yours need changed, and you want to do it yourself, here's what you'll need.