OEM Ilmor 5.3L & 6.2L GDI (Gen5) Iridium Spark Plugs (4 pack)

Description: 

These Ilmor specified iridium spark plugs are the high-quality replacement for your engine. With an iridium composition, these plugs provide the highest melting point and strength of all metals. They provide the greatest wear resistance and durability over Platinum and Conventional spark plugs.