Each spark plug has a unique heat range. How can you find a plug that is a hotter or colder heat range?...Learn More
ChampionIridiumPlugs.com is part of the SparkPlugs.com family, an authorized full line Champion dealer. We are not Champion Spark Plugs USA. To contact them, click here.
Iridium - yes. Platinum - no. Ruthenium - maybe...Learn More