Excellent Function: Made of high-quality materials, it can improve spark performance and increase fuel efficiency: The silicone rubber wire body has excellent insulation and can withstand high temperatures, provide maximum spark delivery and protection; Iridium spark plugs have extremely fine electrode tips to promote sharp and precise sparks. The high melting point resists the extreme heat generated during the combustion process, providing a longer service life and better performance.
Package Include: "Iridium spark plugs and wires set that can be used with Chevy GMC." This Iridium spark plugs and wires set is not sold or created by Chevy GMC. Package Inludes: 8 x 41-110 Spark Plugs, 8 x M8-48322 Spark Plug Wires.