Price history on Walmart.com for
ACDelco Conventional Spark Plug, M42KSee on Walmart
ACDelco Professional Conventional Spark Plugs are an economical choice for solid performance. The copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you're looking for while improving its resistance to low-speed carbon fouling. Precisely engineered and manufactured to provide everyday reliability and efficient performance.... read more.