The Challenger 392 owner was quoted over $1,500 for a spark plug change on his Hemi V8 engine, but a quick search shows the ...

Spark plugs play a pivotal role in how your vehicle operates, but will upgrading to performance spark plugs increase horsepower? Here's what you need to know.

Your car's spark plugs aren't something you typically think about during regular maintenance, but they do need to be changed.

Platinum spark plugs last longer and are more efficient, but they are also more expensive. Iridium spark plugs are the most durable and efficient, making them the best choice for high-performance ...

Platinum and iridium spark plugs tend to last longer than standard copper and nickel spark plugs. Expect to change them every 60,000 to 150,000 miles unless otherwise noted. ...

Generally, copper spark plugs should be changed about once every 30,000 to 50,000 miles, while platinum and iridium spark plugs can last substantially longer.

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of ...

While many drivers will be fine leaving their spark plugs set up the way they arrived, there are certain situation that might ...

Copper Spark Plug. Copper spark plugs are the market’s most common spark plug—a spark plug with a nickel alloy shell and a copper core. Copper is ideal for spark plugs due to its electrical and ...

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars ...