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NGK Laser Iridium Spark Plug series provides superior ignitability and long service life. The smallest tip diameter Iridium or Platinum surface ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency, and lower emissions.
NGK Laser Platinum Spark Plugs are produced through laser welded platinum center electrode tip and platinum disc to backside of ground electrode, providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions to ensure longer service life.
Denso Premium Class Extra Long Life Iridium Spark Plugs is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. This particular spark plugs are designed for durability under the most extreme conditions, thanks to a patented Iridium alloy that is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.
ACDELCO – PROFESSIONAL PLATINUM SPARK PLUGS
Ignite your engine with the platinum build, precise fit and prolonged performance of ACDelco’s Professional Platinum Spark Plugs. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.