Autolite Double Platinum Spark Plug, AP666

Autolite Double Platinum Spark Plug, AP666

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Warrantied for 4 years. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance. Autolite AP666 Platinum Spark Plug