Professional 41-114 GM 12622441 Iridium Spark Plugs Set of 8

AC Delco Professional Iridium Spark Plug Replacement 41-110 (8 Pack )

ACDelco Professional Iridium Spark Plug (model 41-101).

4-Pack AC Delco Professional 41-114 / 12622441 Iridium Spark Plugs

41-993 Professional Iridium Spark Plug

ACDelco Professional/Gold 41104 Genuine OEM Iridium Spark Plug set 8pc Chevy

Spark Plug-Laser Iridium NGK 4996