By mail when you buy 4 or more select Iridium Spark Plugs.
QUALITY SPARK PLUGS, GREAT VALUE
Up to 100k miles
Factory spark plug on most new cars
- Iridium tip is the hardest spark plug metal type & most resistant to erosion
- Maintains the correct gap longer than any other metal type
- Lower voltage requirement for spark to jump gap, improving efficiency
- Fine tip design helps prevent fouling and improve performance
Lasts Less than
- Copper plugs have a copper core and nickel alloy electrode tip
- Nickel is the softest spark plug metal type, which is why it wears out quicker
- Requires more voltage to fire than a precious metal plug because the electrode tips cannot be made as fine as Platinum or Iridium
Chris Fix — Ultimate Guide to Spark Plugs
Popular DIYer Chris Fix shows you which spark plugs are the best choice for your vehicle and how to easily install them.
What’s the Difference Between Spark Plug Types?
Learn more about the different types of spark plugs, the pros and cons of each, and why you may need one over the other.
Complete the Job
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An engine misfire can be a temporary or continuous problem that seems like a mystery. Learn about the different components of misfires and possible solutions.Read More
Understanding Different Spark Plugs
With multiple options, it’s difficult to know which spark plug is right for your vehicle. Learn about your options and an easy way to pick the right one.Read More
Step By Step – How to Change Your Spark Plugs
Spark plugs are one of the easiest parts to replace in most vehicles, making it a job you can still do on modern high-tech vehicles and older cars alike.Read More
Lasts up to 100k miles.
Factory spark plug on most new cars.
Lasts between 60-80k miles.
Improved plug life over Platinum.
Lasts up to 60k miles.
Lasts Less than 30k miles.