Description
Genuine OEM Toyota Spark Plugs.All resistor plugs with single ground electrodes feature patented U-goove design, resulting in a hotter spark.Copper-tipped plugs are designed to last up to 60,000 miles before replacement.Toyota adds nickel and iridium to the platinum; this alloy helps make the spark plug strong and durable, while helping to prevent cracking.Genuine Toyota iridium spark plugs: The long-life, high-performance spark plugs